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Finding the Fourth Proportional to 8,943.54, 12,355.14 and 6,598.62

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Solution

The fourth proportional to 8,943.54, 12,355.14 and 6,598.62 is: 9,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.54 : 12,355.14 = 6,598.62 : x
  2. Step 2: Convert to fraction form
    8,943.54/12,355.14 = 6,598.62/x
  3. Step 3: Cross multiply
    8,943.54x = 12,355.14 × 6,598.62
  4. Step 4: Simplify right side
    8,943.54x = 81,526,873.91
  5. Step 5: Solve for x
    x = 81,526,873.91/8,943.54
  6. Step 6: Final answer
    x = 9,115.73

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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.