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Finding the Fourth Proportional to 11,174.61, 16,768.98 and 6,247.49

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Solution

The fourth proportional to 11,174.61, 16,768.98 and 6,247.49 is: 9,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.61 : 16,768.98 = 6,247.49 : x
  2. Step 2: Convert to fraction form
    11,174.61/16,768.98 = 6,247.49/x
  3. Step 3: Cross multiply
    11,174.61x = 16,768.98 × 6,247.49
  4. Step 4: Simplify right side
    11,174.61x = 104,764,034.86
  5. Step 5: Solve for x
    x = 104,764,034.86/11,174.61
  6. Step 6: Final answer
    x = 9,375.18

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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.