Finding the Fourth Proportional to 8,675.07, 11,959.16 and 6,186.75
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Solution
The fourth proportional to 8,675.07, 11,959.16 and 6,186.75 is: 8,528.84
Step by Step Solution
- Step 1: Write the proportion equation
8,675.07 : 11,959.16 = 6,186.75 : x - Step 2: Convert to fraction form
8,675.07/11,959.16 = 6,186.75/x - Step 3: Cross multiply
8,675.07x = 11,959.16 × 6,186.75 - Step 4: Simplify right side
8,675.07x = 73,988,302.20 - Step 5: Solve for x
x = 73,988,302.20/8,675.07 - Step 6: Final answer
x = 8,528.84
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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.