Home / 9,316.38-13,974.68-2,742.69

Finding the Fourth Proportional to 9,316.38, 13,974.68 and 2,742.69

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Solution

The fourth proportional to 9,316.38, 13,974.68 and 2,742.69 is: 4,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.38 : 13,974.68 = 2,742.69 : x
  2. Step 2: Convert to fraction form
    9,316.38/13,974.68 = 2,742.69/x
  3. Step 3: Cross multiply
    9,316.38x = 13,974.68 × 2,742.69
  4. Step 4: Simplify right side
    9,316.38x = 38,328,258.92
  5. Step 5: Solve for x
    x = 38,328,258.92/9,316.38
  6. Step 6: Final answer
    x = 4,114.07

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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.