Home / 11,847.35-17,781.80-6,305.38

Finding the Fourth Proportional to 11,847.35, 17,781.80 and 6,305.38

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Solution

The fourth proportional to 11,847.35, 17,781.80 and 6,305.38 is: 9,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.35 : 17,781.80 = 6,305.38 : x
  2. Step 2: Convert to fraction form
    11,847.35/17,781.80 = 6,305.38/x
  3. Step 3: Cross multiply
    11,847.35x = 17,781.80 × 6,305.38
  4. Step 4: Simplify right side
    11,847.35x = 112,120,930.10
  5. Step 5: Solve for x
    x = 112,120,930.10/11,847.35
  6. Step 6: Final answer
    x = 9,463.80

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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.