Home / 26,132.28-39,198.78-6,411.30

Finding the Fourth Proportional to 26,132.28, 39,198.78 and 6,411.30

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Solution

The fourth proportional to 26,132.28, 39,198.78 and 6,411.30 is: 9,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.28 : 39,198.78 = 6,411.30 : x
  2. Step 2: Convert to fraction form
    26,132.28/39,198.78 = 6,411.30/x
  3. Step 3: Cross multiply
    26,132.28x = 39,198.78 × 6,411.30
  4. Step 4: Simplify right side
    26,132.28x = 251,315,138.21
  5. Step 5: Solve for x
    x = 251,315,138.21/26,132.28
  6. Step 6: Final answer
    x = 9,617.04

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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.