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Finding the Fourth Proportional to 8,891.46, 13,337.12 and 8,350.14

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Solution

The fourth proportional to 8,891.46, 13,337.12 and 8,350.14 is: 12,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.46 : 13,337.12 = 8,350.14 : x
  2. Step 2: Convert to fraction form
    8,891.46/13,337.12 = 8,350.14/x
  3. Step 3: Cross multiply
    8,891.46x = 13,337.12 × 8,350.14
  4. Step 4: Simplify right side
    8,891.46x = 111,366,819.20
  5. Step 5: Solve for x
    x = 111,366,819.20/8,891.46
  6. Step 6: Final answer
    x = 12,525.14

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Half scale
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Double scale
Find fourth proportional to 8,892.46, 13,338.62 and 8,351.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.