Home / 12,113.37-18,170.19-3,793.05

Finding the Fourth Proportional to 12,113.37, 18,170.19 and 3,793.05

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Solution

The fourth proportional to 12,113.37, 18,170.19 and 3,793.05 is: 5,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.37 : 18,170.19 = 3,793.05 : x
  2. Step 2: Convert to fraction form
    12,113.37/18,170.19 = 3,793.05/x
  3. Step 3: Cross multiply
    12,113.37x = 18,170.19 × 3,793.05
  4. Step 4: Simplify right side
    12,113.37x = 68,920,439.18
  5. Step 5: Solve for x
    x = 68,920,439.18/12,113.37
  6. Step 6: Final answer
    x = 5,689.62

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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.