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Finding the Fourth Proportional to 8,796.92, 13,174.56 and 7,636.38

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Solution

The fourth proportional to 8,796.92, 13,174.56 and 7,636.38 is: 11,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.92 : 13,174.56 = 7,636.38 : x
  2. Step 2: Convert to fraction form
    8,796.92/13,174.56 = 7,636.38/x
  3. Step 3: Cross multiply
    8,796.92x = 13,174.56 × 7,636.38
  4. Step 4: Simplify right side
    8,796.92x = 100,605,946.49
  5. Step 5: Solve for x
    x = 100,605,946.49/8,796.92
  6. Step 6: Final answer
    x = 11,436.50

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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.