Finding the Fourth Proportional to 10,712.07, 14,782.68 and 5,996.36
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Solution
The fourth proportional to 10,712.07, 14,782.68 and 5,996.36 is: 8,274.99
Step by Step Solution
- Step 1: Write the proportion equation
10,712.07 : 14,782.68 = 5,996.36 : x - Step 2: Convert to fraction form
10,712.07/14,782.68 = 5,996.36/x - Step 3: Cross multiply
10,712.07x = 14,782.68 × 5,996.36 - Step 4: Simplify right side
10,712.07x = 88,642,271.04 - Step 5: Solve for x
x = 88,642,271.04/10,712.07 - Step 6: Final answer
x = 8,274.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.