Home / 7,418.46-11,129.49-2,224.29

Finding the Fourth Proportional to 7,418.46, 11,129.49 and 2,224.29

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Solution

The fourth proportional to 7,418.46, 11,129.49 and 2,224.29 is: 3,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.46 : 11,129.49 = 2,224.29 : x
  2. Step 2: Convert to fraction form
    7,418.46/11,129.49 = 2,224.29/x
  3. Step 3: Cross multiply
    7,418.46x = 11,129.49 × 2,224.29
  4. Step 4: Simplify right side
    7,418.46x = 24,755,213.31
  5. Step 5: Solve for x
    x = 24,755,213.31/7,418.46
  6. Step 6: Final answer
    x = 3,336.97

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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.