Home / 12,217.44-18,325.80-3,452.21

Finding the Fourth Proportional to 12,217.44, 18,325.80 and 3,452.21

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Solution

The fourth proportional to 12,217.44, 18,325.80 and 3,452.21 is: 5,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.44 : 18,325.80 = 3,452.21 : x
  2. Step 2: Convert to fraction form
    12,217.44/18,325.80 = 3,452.21/x
  3. Step 3: Cross multiply
    12,217.44x = 18,325.80 × 3,452.21
  4. Step 4: Simplify right side
    12,217.44x = 63,264,418.39
  5. Step 5: Solve for x
    x = 63,264,418.39/12,217.44
  6. Step 6: Final answer
    x = 5,178.21

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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.