Home / 8,481.05-12,722.97-2,636.30

Finding the Fourth Proportional to 8,481.05, 12,722.97 and 2,636.30

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Solution

The fourth proportional to 8,481.05, 12,722.97 and 2,636.30 is: 3,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.05 : 12,722.97 = 2,636.30 : x
  2. Step 2: Convert to fraction form
    8,481.05/12,722.97 = 2,636.30/x
  3. Step 3: Cross multiply
    8,481.05x = 12,722.97 × 2,636.30
  4. Step 4: Simplify right side
    8,481.05x = 33,541,535.94
  5. Step 5: Solve for x
    x = 33,541,535.94/8,481.05
  6. Step 6: Final answer
    x = 3,954.88

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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.