Home / 12,401.20-18,608.13-8,244.04

Finding the Fourth Proportional to 12,401.20, 18,608.13 and 8,244.04

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Solution

The fourth proportional to 12,401.20, 18,608.13 and 8,244.04 is: 12,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.20 : 18,608.13 = 8,244.04 : x
  2. Step 2: Convert to fraction form
    12,401.20/18,608.13 = 8,244.04/x
  3. Step 3: Cross multiply
    12,401.20x = 18,608.13 × 8,244.04
  4. Step 4: Simplify right side
    12,401.20x = 153,406,168.05
  5. Step 5: Solve for x
    x = 153,406,168.05/12,401.20
  6. Step 6: Final answer
    x = 12,370.27

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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.