Home / 11,565.48-17,349-5,720.52

Finding the Fourth Proportional to 11,565.48, 17,349 and 5,720.52

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Solution

The fourth proportional to 11,565.48, 17,349 and 5,720.52 is: 8,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.48 : 17,349 = 5,720.52 : x
  2. Step 2: Convert to fraction form
    11,565.48/17,349 = 5,720.52/x
  3. Step 3: Cross multiply
    11,565.48x = 17,349 × 5,720.52
  4. Step 4: Simplify right side
    11,565.48x = 99,245,301.48
  5. Step 5: Solve for x
    x = 99,245,301.48/11,565.48
  6. Step 6: Final answer
    x = 8,581.17

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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.