Home / 11,443.73-15,791.87-6,408.23

Finding the Fourth Proportional to 11,443.73, 15,791.87 and 6,408.23

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Solution

The fourth proportional to 11,443.73, 15,791.87 and 6,408.23 is: 8,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.73 : 15,791.87 = 6,408.23 : x
  2. Step 2: Convert to fraction form
    11,443.73/15,791.87 = 6,408.23/x
  3. Step 3: Cross multiply
    11,443.73x = 15,791.87 × 6,408.23
  4. Step 4: Simplify right side
    11,443.73x = 101,197,872.15
  5. Step 5: Solve for x
    x = 101,197,872.15/11,443.73
  6. Step 6: Final answer
    x = 8,843.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.