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Finding the Fourth Proportional to 7,997.04, 11,938.05 and 6,351.30

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Solution

The fourth proportional to 7,997.04, 11,938.05 and 6,351.30 is: 9,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.04 : 11,938.05 = 6,351.30 : x
  2. Step 2: Convert to fraction form
    7,997.04/11,938.05 = 6,351.30/x
  3. Step 3: Cross multiply
    7,997.04x = 11,938.05 × 6,351.30
  4. Step 4: Simplify right side
    7,997.04x = 75,822,136.97
  5. Step 5: Solve for x
    x = 75,822,136.97/7,997.04
  6. Step 6: Final answer
    x = 9,481.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.