Question

What is the solution to the proportion 4/12=10/x

Answer 1

30, multiply 4 by 2.5 to get 10, then multiply 12 by 2.5 to get 30 (or x).

Answer 2

Hi Brainiac 4/12 = 10/x Use cross multiply 4x = 120 Divide both sides by 4 4x/4 = 120/4 X = 30 The answer is A I hope that's help :)