What is the solution to the proportion?

4/12=10/x

x = 3
x = 3.3
x = 4.8
x = 30

4 answers

4/12=10/x

Cross multiply and solve for x.

4x = 120

x = 120/4

x = ?
30?
4/12=10/x 4x/4=120/4 x=30
thanks