Home / 11,379.20-17,066.05-5,829.68

Finding the Fourth Proportional to 11,379.20, 17,066.05 and 5,829.68

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Solution

The fourth proportional to 11,379.20, 17,066.05 and 5,829.68 is: 8,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.20 : 17,066.05 = 5,829.68 : x
  2. Step 2: Convert to fraction form
    11,379.20/17,066.05 = 5,829.68/x
  3. Step 3: Cross multiply
    11,379.20x = 17,066.05 × 5,829.68
  4. Step 4: Simplify right side
    11,379.20x = 99,489,638.45
  5. Step 5: Solve for x
    x = 99,489,638.45/11,379.20
  6. Step 6: Final answer
    x = 8,743.12

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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.