Home / 9,115.26-13,676.90-3,196.42

Finding the Fourth Proportional to 9,115.26, 13,676.90 and 3,196.42

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Solution

The fourth proportional to 9,115.26, 13,676.90 and 3,196.42 is: 4,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.26 : 13,676.90 = 3,196.42 : x
  2. Step 2: Convert to fraction form
    9,115.26/13,676.90 = 3,196.42/x
  3. Step 3: Cross multiply
    9,115.26x = 13,676.90 × 3,196.42
  4. Step 4: Simplify right side
    9,115.26x = 43,717,116.70
  5. Step 5: Solve for x
    x = 43,717,116.70/9,115.26
  6. Step 6: Final answer
    x = 4,796.04

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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.