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Finding the Fourth Proportional to 11,865.44, 16,375.14 and 6,560.14

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Solution

The fourth proportional to 11,865.44, 16,375.14 and 6,560.14 is: 9,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.44 : 16,375.14 = 6,560.14 : x
  2. Step 2: Convert to fraction form
    11,865.44/16,375.14 = 6,560.14/x
  3. Step 3: Cross multiply
    11,865.44x = 16,375.14 × 6,560.14
  4. Step 4: Simplify right side
    11,865.44x = 107,423,210.92
  5. Step 5: Solve for x
    x = 107,423,210.92/11,865.44
  6. Step 6: Final answer
    x = 9,053.45

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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.