Home / 11,291.24-15,572.58-7,564.52

Finding the Fourth Proportional to 11,291.24, 15,572.58 and 7,564.52

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Solution

The fourth proportional to 11,291.24, 15,572.58 and 7,564.52 is: 10,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.24 : 15,572.58 = 7,564.52 : x
  2. Step 2: Convert to fraction form
    11,291.24/15,572.58 = 7,564.52/x
  3. Step 3: Cross multiply
    11,291.24x = 15,572.58 × 7,564.52
  4. Step 4: Simplify right side
    11,291.24x = 117,799,092.86
  5. Step 5: Solve for x
    x = 117,799,092.86/11,291.24
  6. Step 6: Final answer
    x = 10,432.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.