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Finding the Fourth Proportional to 10,966.72, 15,134.10 and 6,250.96

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Solution

The fourth proportional to 10,966.72, 15,134.10 and 6,250.96 is: 8,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.72 : 15,134.10 = 6,250.96 : x
  2. Step 2: Convert to fraction form
    10,966.72/15,134.10 = 6,250.96/x
  3. Step 3: Cross multiply
    10,966.72x = 15,134.10 × 6,250.96
  4. Step 4: Simplify right side
    10,966.72x = 94,602,653.74
  5. Step 5: Solve for x
    x = 94,602,653.74/10,966.72
  6. Step 6: Final answer
    x = 8,626.34

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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.