Home / 12,113.22-18,169.92-3,348.60

Finding the Fourth Proportional to 12,113.22, 18,169.92 and 3,348.60

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Solution

The fourth proportional to 12,113.22, 18,169.92 and 3,348.60 is: 5,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.22 : 18,169.92 = 3,348.60 : x
  2. Step 2: Convert to fraction form
    12,113.22/18,169.92 = 3,348.60/x
  3. Step 3: Cross multiply
    12,113.22x = 18,169.92 × 3,348.60
  4. Step 4: Simplify right side
    12,113.22x = 60,843,794.11
  5. Step 5: Solve for x
    x = 60,843,794.11/12,113.22
  6. Step 6: Final answer
    x = 5,022.92

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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.