Home / 11,843.28-17,764.92-3,078.14

Finding the Fourth Proportional to 11,843.28, 17,764.92 and 3,078.14

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Solution

The fourth proportional to 11,843.28, 17,764.92 and 3,078.14 is: 4,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.28 : 17,764.92 = 3,078.14 : x
  2. Step 2: Convert to fraction form
    11,843.28/17,764.92 = 3,078.14/x
  3. Step 3: Cross multiply
    11,843.28x = 17,764.92 × 3,078.14
  4. Step 4: Simplify right side
    11,843.28x = 54,682,822.02
  5. Step 5: Solve for x
    x = 54,682,822.02/11,843.28
  6. Step 6: Final answer
    x = 4,617.20

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1.5x scale

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.