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Finding the Fourth Proportional to 9,073.62, 12,492.96 and 8,243.16

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Solution

The fourth proportional to 9,073.62, 12,492.96 and 8,243.16 is: 11,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.62 : 12,492.96 = 8,243.16 : x
  2. Step 2: Convert to fraction form
    9,073.62/12,492.96 = 8,243.16/x
  3. Step 3: Cross multiply
    9,073.62x = 12,492.96 × 8,243.16
  4. Step 4: Simplify right side
    9,073.62x = 102,981,468.15
  5. Step 5: Solve for x
    x = 102,981,468.15/9,073.62
  6. Step 6: Final answer
    x = 11,349.55

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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.