If 1 3/4 inch = 17 1/12 feet, then how much of 1 inch = 1 foot

Question

Trying to figure out the dimensions of a hallway in a poorly provided blue print. The only dimensions provided are the living room and kitchen size.

Answer 1

multiply both sides by 4/7, you will get 1 inch = 205/21 foot or 9.762 foot