Home / 7,117.38-10,676.04-2,186.37

Finding the Fourth Proportional to 7,117.38, 10,676.04 and 2,186.37

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Solution

The fourth proportional to 7,117.38, 10,676.04 and 2,186.37 is: 3,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.38 : 10,676.04 = 2,186.37 : x
  2. Step 2: Convert to fraction form
    7,117.38/10,676.04 = 2,186.37/x
  3. Step 3: Cross multiply
    7,117.38x = 10,676.04 × 2,186.37
  4. Step 4: Simplify right side
    7,117.38x = 23,341,773.57
  5. Step 5: Solve for x
    x = 23,341,773.57/7,117.38
  6. Step 6: Final answer
    x = 3,279.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.