Home / 11,892.20-17,823.06-4,487.85

Finding the Fourth Proportional to 11,892.20, 17,823.06 and 4,487.85

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Solution

The fourth proportional to 11,892.20, 17,823.06 and 4,487.85 is: 6,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.20 : 17,823.06 = 4,487.85 : x
  2. Step 2: Convert to fraction form
    11,892.20/17,823.06 = 4,487.85/x
  3. Step 3: Cross multiply
    11,892.20x = 17,823.06 × 4,487.85
  4. Step 4: Simplify right side
    11,892.20x = 79,987,219.82
  5. Step 5: Solve for x
    x = 79,987,219.82/11,892.20
  6. Step 6: Final answer
    x = 6,726.03

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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.