Home / 11,747.24-17,620.88-3,956.08

Finding the Fourth Proportional to 11,747.24, 17,620.88 and 3,956.08

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Solution

The fourth proportional to 11,747.24, 17,620.88 and 3,956.08 is: 5,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.24 : 17,620.88 = 3,956.08 : x
  2. Step 2: Convert to fraction form
    11,747.24/17,620.88 = 3,956.08/x
  3. Step 3: Cross multiply
    11,747.24x = 17,620.88 × 3,956.08
  4. Step 4: Simplify right side
    11,747.24x = 69,709,610.95
  5. Step 5: Solve for x
    x = 69,709,610.95/11,747.24
  6. Step 6: Final answer
    x = 5,934.13

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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.