The height of Big Foot is 10 times that of an ordinary ape.
How many times is the weight of an ordinary ape?
How many times is the surface area that of an ordinary ape?
How many times is the pressure on the feet that of an ordinary ape?
Ordinary ape 6 foot tall and weight 400
Bigfoot height is between 6-10 feet tall, weighing in excess of 500 lbs
Your finishing data does not match your first sentence.
6 to 10 feet tall ≠ "height of Big Foot is 10 times that of an ordinary ape. "