Home / 11,815.17-17,724.55-4,022.16

Finding the Fourth Proportional to 11,815.17, 17,724.55 and 4,022.16

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Solution

The fourth proportional to 11,815.17, 17,724.55 and 4,022.16 is: 6,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.17 : 17,724.55 = 4,022.16 : x
  2. Step 2: Convert to fraction form
    11,815.17/17,724.55 = 4,022.16/x
  3. Step 3: Cross multiply
    11,815.17x = 17,724.55 × 4,022.16
  4. Step 4: Simplify right side
    11,815.17x = 71,290,965.97
  5. Step 5: Solve for x
    x = 71,290,965.97/11,815.17
  6. Step 6: Final answer
    x = 6,033.85

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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.