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Finding the Fourth Proportional to 11,141.44, 15,372.48 and 6,173.44

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Solution

The fourth proportional to 11,141.44, 15,372.48 and 6,173.44 is: 8,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.44 : 15,372.48 = 6,173.44 : x
  2. Step 2: Convert to fraction form
    11,141.44/15,372.48 = 6,173.44/x
  3. Step 3: Cross multiply
    11,141.44x = 15,372.48 × 6,173.44
  4. Step 4: Simplify right side
    11,141.44x = 94,901,082.93
  5. Step 5: Solve for x
    x = 94,901,082.93/11,141.44
  6. Step 6: Final answer
    x = 8,517.85

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1.5x scale

Why These Related Problems?

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