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Finding the Fourth Proportional to 11,197.70, 16,774.14 and 6,752.88

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Solution

The fourth proportional to 11,197.70, 16,774.14 and 6,752.88 is: 10,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.70 : 16,774.14 = 6,752.88 : x
  2. Step 2: Convert to fraction form
    11,197.70/16,774.14 = 6,752.88/x
  3. Step 3: Cross multiply
    11,197.70x = 16,774.14 × 6,752.88
  4. Step 4: Simplify right side
    11,197.70x = 113,273,754.52
  5. Step 5: Solve for x
    x = 113,273,754.52/11,197.70
  6. Step 6: Final answer
    x = 10,115.81

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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.