Home / 7,414.46-11,118.45-2,219.12

Finding the Fourth Proportional to 7,414.46, 11,118.45 and 2,219.12

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Solution

The fourth proportional to 7,414.46, 11,118.45 and 2,219.12 is: 3,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.46 : 11,118.45 = 2,219.12 : x
  2. Step 2: Convert to fraction form
    7,414.46/11,118.45 = 2,219.12/x
  3. Step 3: Cross multiply
    7,414.46x = 11,118.45 × 2,219.12
  4. Step 4: Simplify right side
    7,414.46x = 24,673,210.88
  5. Step 5: Solve for x
    x = 24,673,210.88/7,414.46
  6. Step 6: Final answer
    x = 3,327.71

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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.