Home / 11,742.76-17,604.87-5,821.68

Finding the Fourth Proportional to 11,742.76, 17,604.87 and 5,821.68

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Solution

The fourth proportional to 11,742.76, 17,604.87 and 5,821.68 is: 8,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.76 : 17,604.87 = 5,821.68 : x
  2. Step 2: Convert to fraction form
    11,742.76/17,604.87 = 5,821.68/x
  3. Step 3: Cross multiply
    11,742.76x = 17,604.87 × 5,821.68
  4. Step 4: Simplify right side
    11,742.76x = 102,489,996.52
  5. Step 5: Solve for x
    x = 102,489,996.52/11,742.76
  6. Step 6: Final answer
    x = 8,727.93

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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.