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Finding the Fourth Proportional to 11,443.62, 15,791.22 and 6,727.08

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Solution

The fourth proportional to 11,443.62, 15,791.22 and 6,727.08 is: 9,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.62 : 15,791.22 = 6,727.08 : x
  2. Step 2: Convert to fraction form
    11,443.62/15,791.22 = 6,727.08/x
  3. Step 3: Cross multiply
    11,443.62x = 15,791.22 × 6,727.08
  4. Step 4: Simplify right side
    11,443.62x = 106,228,800.24
  5. Step 5: Solve for x
    x = 106,228,800.24/11,443.62
  6. Step 6: Final answer
    x = 9,282.80

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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.