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Finding the Fourth Proportional to 8,767.62, 12,098.22 and 5,182.16

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Solution

The fourth proportional to 8,767.62, 12,098.22 and 5,182.16 is: 7,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.62 : 12,098.22 = 5,182.16 : x
  2. Step 2: Convert to fraction form
    8,767.62/12,098.22 = 5,182.16/x
  3. Step 3: Cross multiply
    8,767.62x = 12,098.22 × 5,182.16
  4. Step 4: Simplify right side
    8,767.62x = 62,694,911.76
  5. Step 5: Solve for x
    x = 62,694,911.76/8,767.62
  6. Step 6: Final answer
    x = 7,150.73

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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.