1290.3 is what percent of 10499.84 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 10499.84 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 10499.84, so we can write it down as 100%=10499.84.
4. We know, that x% equals 1290.3 of the output value, so we can write it down as x%=1290.3.
5. Now we have two simple equations:
1) 100%=10499.84
2) x%=1290.3
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=10499.84/1290.3
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 1290.3 is what percent of 10499.84

100%/x%=10499.84/1290.3
(100/x)*x=(10499.84/1290.3)*x       - we multiply both sides of the equation by x
100=8.1375184065721*x       - we divide both sides of the equation by (8.1375184065721) to get x
100/8.1375184065721=x
12.288758685847=x
x=12.288758685847

now we have:
1290.3 is 12.288758685847% of 10499.84