Home / 8,383.11-12,575.27-2,540.18

Finding the Fourth Proportional to 8,383.11, 12,575.27 and 2,540.18

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Solution

The fourth proportional to 8,383.11, 12,575.27 and 2,540.18 is: 3,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.11 : 12,575.27 = 2,540.18 : x
  2. Step 2: Convert to fraction form
    8,383.11/12,575.27 = 2,540.18/x
  3. Step 3: Cross multiply
    8,383.11x = 12,575.27 × 2,540.18
  4. Step 4: Simplify right side
    8,383.11x = 31,943,373.77
  5. Step 5: Solve for x
    x = 31,943,373.77/8,383.11
  6. Step 6: Final answer
    x = 3,810.44

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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.