Home / 8,917.08-13,370.76-3,719.04

Finding the Fourth Proportional to 8,917.08, 13,370.76 and 3,719.04

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Solution

The fourth proportional to 8,917.08, 13,370.76 and 3,719.04 is: 5,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.08 : 13,370.76 = 3,719.04 : x
  2. Step 2: Convert to fraction form
    8,917.08/13,370.76 = 3,719.04/x
  3. Step 3: Cross multiply
    8,917.08x = 13,370.76 × 3,719.04
  4. Step 4: Simplify right side
    8,917.08x = 49,726,391.27
  5. Step 5: Solve for x
    x = 49,726,391.27/8,917.08
  6. Step 6: Final answer
    x = 5,576.53

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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.