Home / 12,228.11-18,344.79-3,794.44

Finding the Fourth Proportional to 12,228.11, 18,344.79 and 3,794.44

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Solution

The fourth proportional to 12,228.11, 18,344.79 and 3,794.44 is: 5,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.11 : 18,344.79 = 3,794.44 : x
  2. Step 2: Convert to fraction form
    12,228.11/18,344.79 = 3,794.44/x
  3. Step 3: Cross multiply
    12,228.11x = 18,344.79 × 3,794.44
  4. Step 4: Simplify right side
    12,228.11x = 69,608,103.76
  5. Step 5: Solve for x
    x = 69,608,103.76/12,228.11
  6. Step 6: Final answer
    x = 5,692.47

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1.5x scale

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.