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Finding the Fourth Proportional to 10,497.65, 15,747.04 and 4,256.73

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Solution

The fourth proportional to 10,497.65, 15,747.04 and 4,256.73 is: 6,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.65 : 15,747.04 = 4,256.73 : x
  2. Step 2: Convert to fraction form
    10,497.65/15,747.04 = 4,256.73/x
  3. Step 3: Cross multiply
    10,497.65x = 15,747.04 × 4,256.73
  4. Step 4: Simplify right side
    10,497.65x = 67,030,902.90
  5. Step 5: Solve for x
    x = 67,030,902.90/10,497.65
  6. Step 6: Final answer
    x = 6,385.33

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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.