Explanation
3/4 = 0.75
1 foot = 12 inches
0.75 inches on paper correspond to 12 inches in real life.
k = scale factor
0.75k = 12 solves to k = 12/0.75 = 16
The multiplier is 16. Therefore we go from (x, y) to (16x, 16y)
For example the pre-image point (3,5) dilates to the image point (48, 80).
