Home / 12,115.44-18,173.52-3,351

Finding the Fourth Proportional to 12,115.44, 18,173.52 and 3,351

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Solution

The fourth proportional to 12,115.44, 18,173.52 and 3,351 is: 5,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.44 : 18,173.52 = 3,351 : x
  2. Step 2: Convert to fraction form
    12,115.44/18,173.52 = 3,351/x
  3. Step 3: Cross multiply
    12,115.44x = 18,173.52 × 3,351
  4. Step 4: Simplify right side
    12,115.44x = 60,899,465.52
  5. Step 5: Solve for x
    x = 60,899,465.52/12,115.44
  6. Step 6: Final answer
    x = 5,026.60

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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.