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Finding the Fourth Proportional to 9,243.62, 12,757.51 and 5,265.10

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Solution

The fourth proportional to 9,243.62, 12,757.51 and 5,265.10 is: 7,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.62 : 12,757.51 = 5,265.10 : x
  2. Step 2: Convert to fraction form
    9,243.62/12,757.51 = 5,265.10/x
  3. Step 3: Cross multiply
    9,243.62x = 12,757.51 × 5,265.10
  4. Step 4: Simplify right side
    9,243.62x = 67,169,475.79
  5. Step 5: Solve for x
    x = 67,169,475.79/9,243.62
  6. Step 6: Final answer
    x = 7,266.58

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Double scale
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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.