Home / 9,115.92-13,671.60-2,541.84

Finding the Fourth Proportional to 9,115.92, 13,671.60 and 2,541.84

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Solution

The fourth proportional to 9,115.92, 13,671.60 and 2,541.84 is: 3,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.92 : 13,671.60 = 2,541.84 : x
  2. Step 2: Convert to fraction form
    9,115.92/13,671.60 = 2,541.84/x
  3. Step 3: Cross multiply
    9,115.92x = 13,671.60 × 2,541.84
  4. Step 4: Simplify right side
    9,115.92x = 34,751,019.74
  5. Step 5: Solve for x
    x = 34,751,019.74/9,115.92
  6. Step 6: Final answer
    x = 3,812.12

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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.