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Finding the Fourth Proportional to 9,398.74, 14,098.46 and 3,158.97

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Solution

The fourth proportional to 9,398.74, 14,098.46 and 3,158.97 is: 4,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,398.74 : 14,098.46 = 3,158.97 : x
  2. Step 2: Convert to fraction form
    9,398.74/14,098.46 = 3,158.97/x
  3. Step 3: Cross multiply
    9,398.74x = 14,098.46 × 3,158.97
  4. Step 4: Simplify right side
    9,398.74x = 44,536,525.90
  5. Step 5: Solve for x
    x = 44,536,525.90/9,398.74
  6. Step 6: Final answer
    x = 4,738.56

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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.