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Finding the Fourth Proportional to 8,398.21, 12,597.31 and 5,962.43

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Solution

The fourth proportional to 8,398.21, 12,597.31 and 5,962.43 is: 8,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.21 : 12,597.31 = 5,962.43 : x
  2. Step 2: Convert to fraction form
    8,398.21/12,597.31 = 5,962.43/x
  3. Step 3: Cross multiply
    8,398.21x = 12,597.31 × 5,962.43
  4. Step 4: Simplify right side
    8,398.21x = 75,110,611.40
  5. Step 5: Solve for x
    x = 75,110,611.40/8,398.21
  6. Step 6: Final answer
    x = 8,943.65

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Double scale
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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.