Home / 11,877.59-16,391.42-6,572.90

Finding the Fourth Proportional to 11,877.59, 16,391.42 and 6,572.90

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Solution

The fourth proportional to 11,877.59, 16,391.42 and 6,572.90 is: 9,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.59 : 16,391.42 = 6,572.90 : x
  2. Step 2: Convert to fraction form
    11,877.59/16,391.42 = 6,572.90/x
  3. Step 3: Cross multiply
    11,877.59x = 16,391.42 × 6,572.90
  4. Step 4: Simplify right side
    11,877.59x = 107,739,049.70
  5. Step 5: Solve for x
    x = 107,739,049.70/11,877.59
  6. Step 6: Final answer
    x = 9,070.79

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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.