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Finding the Fourth Proportional to 12,396.62, 17,092.87 and 9,247.34

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Solution

The fourth proportional to 12,396.62, 17,092.87 and 9,247.34 is: 12,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.62 : 17,092.87 = 9,247.34 : x
  2. Step 2: Convert to fraction form
    12,396.62/17,092.87 = 9,247.34/x
  3. Step 3: Cross multiply
    12,396.62x = 17,092.87 × 9,247.34
  4. Step 4: Simplify right side
    12,396.62x = 158,063,580.47
  5. Step 5: Solve for x
    x = 158,063,580.47/12,396.62
  6. Step 6: Final answer
    x = 12,750.54

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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.