Home / 8,656.38-11,949.57-6,737.85

Finding the Fourth Proportional to 8,656.38, 11,949.57 and 6,737.85

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Solution

The fourth proportional to 8,656.38, 11,949.57 and 6,737.85 is: 9,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.38 : 11,949.57 = 6,737.85 : x
  2. Step 2: Convert to fraction form
    8,656.38/11,949.57 = 6,737.85/x
  3. Step 3: Cross multiply
    8,656.38x = 11,949.57 × 6,737.85
  4. Step 4: Simplify right side
    8,656.38x = 80,514,410.22
  5. Step 5: Solve for x
    x = 80,514,410.22/8,656.38
  6. Step 6: Final answer
    x = 9,301.16

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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.