Home / 11,882.08-17,817.92-5,643.88

Finding the Fourth Proportional to 11,882.08, 17,817.92 and 5,643.88

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Solution

The fourth proportional to 11,882.08, 17,817.92 and 5,643.88 is: 8,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.08 : 17,817.92 = 5,643.88 : x
  2. Step 2: Convert to fraction form
    11,882.08/17,817.92 = 5,643.88/x
  3. Step 3: Cross multiply
    11,882.08x = 17,817.92 × 5,643.88
  4. Step 4: Simplify right side
    11,882.08x = 100,562,202.33
  5. Step 5: Solve for x
    x = 100,562,202.33/11,882.08
  6. Step 6: Final answer
    x = 8,463.35

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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.