Home / 7,418.60-11,129.34-2,224.04

Finding the Fourth Proportional to 7,418.60, 11,129.34 and 2,224.04

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Solution

The fourth proportional to 7,418.60, 11,129.34 and 2,224.04 is: 3,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.60 : 11,129.34 = 2,224.04 : x
  2. Step 2: Convert to fraction form
    7,418.60/11,129.34 = 2,224.04/x
  3. Step 3: Cross multiply
    7,418.60x = 11,129.34 × 2,224.04
  4. Step 4: Simplify right side
    7,418.60x = 24,752,097.33
  5. Step 5: Solve for x
    x = 24,752,097.33/7,418.60
  6. Step 6: Final answer
    x = 3,336.49

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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.