Home / 11,822.76-17,734.51-4,425.81

Finding the Fourth Proportional to 11,822.76, 17,734.51 and 4,425.81

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Solution

The fourth proportional to 11,822.76, 17,734.51 and 4,425.81 is: 6,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.76 : 17,734.51 = 4,425.81 : x
  2. Step 2: Convert to fraction form
    11,822.76/17,734.51 = 4,425.81/x
  3. Step 3: Cross multiply
    11,822.76x = 17,734.51 × 4,425.81
  4. Step 4: Simplify right side
    11,822.76x = 78,489,510.73
  5. Step 5: Solve for x
    x = 78,489,510.73/11,822.76
  6. Step 6: Final answer
    x = 6,638.85

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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.