Home / 7,454.38-11,186.68-3,071.81

Finding the Fourth Proportional to 7,454.38, 11,186.68 and 3,071.81

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Solution

The fourth proportional to 7,454.38, 11,186.68 and 3,071.81 is: 4,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.38 : 11,186.68 = 3,071.81 : x
  2. Step 2: Convert to fraction form
    7,454.38/11,186.68 = 3,071.81/x
  3. Step 3: Cross multiply
    7,454.38x = 11,186.68 × 3,071.81
  4. Step 4: Simplify right side
    7,454.38x = 34,363,291.88
  5. Step 5: Solve for x
    x = 34,363,291.88/7,454.38
  6. Step 6: Final answer
    x = 4,609.81

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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.