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Finding the Fourth Proportional to 9,911.15, 14,872.11 and 5,754.14

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Solution

The fourth proportional to 9,911.15, 14,872.11 and 5,754.14 is: 8,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.15 : 14,872.11 = 5,754.14 : x
  2. Step 2: Convert to fraction form
    9,911.15/14,872.11 = 5,754.14/x
  3. Step 3: Cross multiply
    9,911.15x = 14,872.11 × 5,754.14
  4. Step 4: Simplify right side
    9,911.15x = 85,576,246.52
  5. Step 5: Solve for x
    x = 85,576,246.52/9,911.15
  6. Step 6: Final answer
    x = 8,634.34

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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.