At $2,600 on average for an MRI and $1,100 on average for an ultrasound, even one unnecessary test is too many for folks on a budget, unless your insurance or Medicare covers the test.or example, the cost of a CT scanner can be as low as $65,000 for a refurbished one that produces only small images quickly. A larger and brand new CT scanner can run as high as $2.5 million. Prices are slightly higher for MRI machines, running up to about $3 million for a new machine.
1. constant of proportionality-the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality. factor of proportionality.
All materials change size with temperature change, and over small temperature changes the relative size change (DL/L) is proportional to the temperature change, and the proportionality constant is the Coefficient of Thermal Expansion (CTE). 2. The CTE is very dependent on the details of the makeup of the material.