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Finding the Fourth Proportional to 11,463.10, 15,817.89 and 6,747.10

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Solution

The fourth proportional to 11,463.10, 15,817.89 and 6,747.10 is: 9,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.10 : 15,817.89 = 6,747.10 : x
  2. Step 2: Convert to fraction form
    11,463.10/15,817.89 = 6,747.10/x
  3. Step 3: Cross multiply
    11,463.10x = 15,817.89 × 6,747.10
  4. Step 4: Simplify right side
    11,463.10x = 106,724,885.62
  5. Step 5: Solve for x
    x = 106,724,885.62/11,463.10
  6. Step 6: Final answer
    x = 9,310.30

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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.