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Finding the Fourth Proportional to 8,462.70, 11,694.59 and 6,363.18

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Solution

The fourth proportional to 8,462.70, 11,694.59 and 6,363.18 is: 8,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.70 : 11,694.59 = 6,363.18 : x
  2. Step 2: Convert to fraction form
    8,462.70/11,694.59 = 6,363.18/x
  3. Step 3: Cross multiply
    8,462.70x = 11,694.59 × 6,363.18
  4. Step 4: Simplify right side
    8,462.70x = 74,414,781.20
  5. Step 5: Solve for x
    x = 74,414,781.20/8,462.70
  6. Step 6: Final answer
    x = 8,793.27

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Half scale
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Double scale
Find fourth proportional to 8,463.70, 11,695.97 and 6,364.18
Similar ratio
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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.