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Finding the Fourth Proportional to 10,913.16, 15,060.08 and 6,197.34

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Solution

The fourth proportional to 10,913.16, 15,060.08 and 6,197.34 is: 8,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.16 : 15,060.08 = 6,197.34 : x
  2. Step 2: Convert to fraction form
    10,913.16/15,060.08 = 6,197.34/x
  3. Step 3: Cross multiply
    10,913.16x = 15,060.08 × 6,197.34
  4. Step 4: Simplify right side
    10,913.16x = 93,332,473.30
  5. Step 5: Solve for x
    x = 93,332,473.30/10,913.16
  6. Step 6: Final answer
    x = 8,552.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.