If i have a circle with a diameter of 8 inches at a scale of 1/4" what would the diameter be at a scale of 3/16"?

Answer 1

The answer is 6".

At the scale 1/4" (0.25), the diameter is 8"

at the scale 3/16" (0.1875) the diameter would be (0.1875/0.25)*8" = 6"