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Finding the Fourth Proportional to 9,237.42, 12,734.14 and 7,349.72

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Solution

The fourth proportional to 9,237.42, 12,734.14 and 7,349.72 is: 10,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.42 : 12,734.14 = 7,349.72 : x
  2. Step 2: Convert to fraction form
    9,237.42/12,734.14 = 7,349.72/x
  3. Step 3: Cross multiply
    9,237.42x = 12,734.14 × 7,349.72
  4. Step 4: Simplify right side
    9,237.42x = 93,592,363.44
  5. Step 5: Solve for x
    x = 93,592,363.44/9,237.42
  6. Step 6: Final answer
    x = 10,131.87

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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.