Home / 9,083.76-12,540.33-6,115.25

Finding the Fourth Proportional to 9,083.76, 12,540.33 and 6,115.25

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Solution

The fourth proportional to 9,083.76, 12,540.33 and 6,115.25 is: 8,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,083.76 : 12,540.33 = 6,115.25 : x
  2. Step 2: Convert to fraction form
    9,083.76/12,540.33 = 6,115.25/x
  3. Step 3: Cross multiply
    9,083.76x = 12,540.33 × 6,115.25
  4. Step 4: Simplify right side
    9,083.76x = 76,687,190.33
  5. Step 5: Solve for x
    x = 76,687,190.33/9,083.76
  6. Step 6: Final answer
    x = 8,442.23

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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.