Home / 11,839.16-17,741.80-8,694.49

Finding the Fourth Proportional to 11,839.16, 17,741.80 and 8,694.49

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Solution

The fourth proportional to 11,839.16, 17,741.80 and 8,694.49 is: 13,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.16 : 17,741.80 = 8,694.49 : x
  2. Step 2: Convert to fraction form
    11,839.16/17,741.80 = 8,694.49/x
  3. Step 3: Cross multiply
    11,839.16x = 17,741.80 × 8,694.49
  4. Step 4: Simplify right side
    11,839.16x = 154,255,902.68
  5. Step 5: Solve for x
    x = 154,255,902.68/11,839.16
  6. Step 6: Final answer
    x = 13,029.29

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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.