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Finding the Fourth Proportional to 11,037.72, 15,231.42 and 6,069.72

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Solution

The fourth proportional to 11,037.72, 15,231.42 and 6,069.72 is: 8,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.72 : 15,231.42 = 6,069.72 : x
  2. Step 2: Convert to fraction form
    11,037.72/15,231.42 = 6,069.72/x
  3. Step 3: Cross multiply
    11,037.72x = 15,231.42 × 6,069.72
  4. Step 4: Simplify right side
    11,037.72x = 92,450,454.60
  5. Step 5: Solve for x
    x = 92,450,454.60/11,037.72
  6. Step 6: Final answer
    x = 8,375.87

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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.