Home / 8,093.21-12,138.95-2,546.39

Finding the Fourth Proportional to 8,093.21, 12,138.95 and 2,546.39

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Solution

The fourth proportional to 8,093.21, 12,138.95 and 2,546.39 is: 3,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.21 : 12,138.95 = 2,546.39 : x
  2. Step 2: Convert to fraction form
    8,093.21/12,138.95 = 2,546.39/x
  3. Step 3: Cross multiply
    8,093.21x = 12,138.95 × 2,546.39
  4. Step 4: Simplify right side
    8,093.21x = 30,910,537.60
  5. Step 5: Solve for x
    x = 30,910,537.60/8,093.21
  6. Step 6: Final answer
    x = 3,819.32

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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.