Home / 11,716.22-17,572.47-5,480.56

Finding the Fourth Proportional to 11,716.22, 17,572.47 and 5,480.56

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Solution

The fourth proportional to 11,716.22, 17,572.47 and 5,480.56 is: 8,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.22 : 17,572.47 = 5,480.56 : x
  2. Step 2: Convert to fraction form
    11,716.22/17,572.47 = 5,480.56/x
  3. Step 3: Cross multiply
    11,716.22x = 17,572.47 × 5,480.56
  4. Step 4: Simplify right side
    11,716.22x = 96,306,976.18
  5. Step 5: Solve for x
    x = 96,306,976.18/11,716.22
  6. Step 6: Final answer
    x = 8,219.97

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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.