Home / 11,963.22-17,944.84-5,721.76

Finding the Fourth Proportional to 11,963.22, 17,944.84 and 5,721.76

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Solution

The fourth proportional to 11,963.22, 17,944.84 and 5,721.76 is: 8,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.22 : 17,944.84 = 5,721.76 : x
  2. Step 2: Convert to fraction form
    11,963.22/17,944.84 = 5,721.76/x
  3. Step 3: Cross multiply
    11,963.22x = 17,944.84 × 5,721.76
  4. Step 4: Simplify right side
    11,963.22x = 102,676,067.72
  5. Step 5: Solve for x
    x = 102,676,067.72/11,963.22
  6. Step 6: Final answer
    x = 8,582.64

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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.