Home / 11,708.32-17,552.56-5,129.52

Finding the Fourth Proportional to 11,708.32, 17,552.56 and 5,129.52

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Solution

The fourth proportional to 11,708.32, 17,552.56 and 5,129.52 is: 7,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.32 : 17,552.56 = 5,129.52 : x
  2. Step 2: Convert to fraction form
    11,708.32/17,552.56 = 5,129.52/x
  3. Step 3: Cross multiply
    11,708.32x = 17,552.56 × 5,129.52
  4. Step 4: Simplify right side
    11,708.32x = 90,036,207.57
  5. Step 5: Solve for x
    x = 90,036,207.57/11,708.32
  6. Step 6: Final answer
    x = 7,689.93

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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.