Home / 11,508.52-15,887.10-8,677.04

Finding the Fourth Proportional to 11,508.52, 15,887.10 and 8,677.04

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Solution

The fourth proportional to 11,508.52, 15,887.10 and 8,677.04 is: 11,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.52 : 15,887.10 = 8,677.04 : x
  2. Step 2: Convert to fraction form
    11,508.52/15,887.10 = 8,677.04/x
  3. Step 3: Cross multiply
    11,508.52x = 15,887.10 × 8,677.04
  4. Step 4: Simplify right side
    11,508.52x = 137,853,002.18
  5. Step 5: Solve for x
    x = 137,853,002.18/11,508.52
  6. Step 6: Final answer
    x = 11,978.34

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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.