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Finding the Fourth Proportional to 12,834.73, 17,710.92 and 7,169.03

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Solution

The fourth proportional to 12,834.73, 17,710.92 and 7,169.03 is: 9,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.73 : 17,710.92 = 7,169.03 : x
  2. Step 2: Convert to fraction form
    12,834.73/17,710.92 = 7,169.03/x
  3. Step 3: Cross multiply
    12,834.73x = 17,710.92 × 7,169.03
  4. Step 4: Simplify right side
    12,834.73x = 126,970,080.96
  5. Step 5: Solve for x
    x = 126,970,080.96/12,834.73
  6. Step 6: Final answer
    x = 9,892.70

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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.