Home / 11,720.97-17,583.08-3,932.01

Finding the Fourth Proportional to 11,720.97, 17,583.08 and 3,932.01

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Solution

The fourth proportional to 11,720.97, 17,583.08 and 3,932.01 is: 5,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.97 : 17,583.08 = 3,932.01 : x
  2. Step 2: Convert to fraction form
    11,720.97/17,583.08 = 3,932.01/x
  3. Step 3: Cross multiply
    11,720.97x = 17,583.08 × 3,932.01
  4. Step 4: Simplify right side
    11,720.97x = 69,136,826.73
  5. Step 5: Solve for x
    x = 69,136,826.73/11,720.97
  6. Step 6: Final answer
    x = 5,898.56

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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.