Home / 10,676.75-16,013.63-3,279.15

Finding the Fourth Proportional to 10,676.75, 16,013.63 and 3,279.15

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Solution

The fourth proportional to 10,676.75, 16,013.63 and 3,279.15 is: 4,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.75 : 16,013.63 = 3,279.15 : x
  2. Step 2: Convert to fraction form
    10,676.75/16,013.63 = 3,279.15/x
  3. Step 3: Cross multiply
    10,676.75x = 16,013.63 × 3,279.15
  4. Step 4: Simplify right side
    10,676.75x = 52,511,103.01
  5. Step 5: Solve for x
    x = 52,511,103.01/10,676.75
  6. Step 6: Final answer
    x = 4,918.27

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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.