Home / 12,113.60-18,170.37-3,348.48

Finding the Fourth Proportional to 12,113.60, 18,170.37 and 3,348.48

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Solution

The fourth proportional to 12,113.60, 18,170.37 and 3,348.48 is: 5,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.60 : 18,170.37 = 3,348.48 : x
  2. Step 2: Convert to fraction form
    12,113.60/18,170.37 = 3,348.48/x
  3. Step 3: Cross multiply
    12,113.60x = 18,170.37 × 3,348.48
  4. Step 4: Simplify right side
    12,113.60x = 60,843,120.54
  5. Step 5: Solve for x
    x = 60,843,120.54/12,113.60
  6. Step 6: Final answer
    x = 5,022.71

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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.