Home / 12,091.44-18,138.96-5,519.52

Finding the Fourth Proportional to 12,091.44, 18,138.96 and 5,519.52

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Solution

The fourth proportional to 12,091.44, 18,138.96 and 5,519.52 is: 8,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.44 : 18,138.96 = 5,519.52 : x
  2. Step 2: Convert to fraction form
    12,091.44/18,138.96 = 5,519.52/x
  3. Step 3: Cross multiply
    12,091.44x = 18,138.96 × 5,519.52
  4. Step 4: Simplify right side
    12,091.44x = 100,118,352.50
  5. Step 5: Solve for x
    x = 100,118,352.50/12,091.44
  6. Step 6: Final answer
    x = 8,280.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.