Home / 7,480.32-11,217.84-2,213.94

Finding the Fourth Proportional to 7,480.32, 11,217.84 and 2,213.94

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Solution

The fourth proportional to 7,480.32, 11,217.84 and 2,213.94 is: 3,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.32 : 11,217.84 = 2,213.94 : x
  2. Step 2: Convert to fraction form
    7,480.32/11,217.84 = 2,213.94/x
  3. Step 3: Cross multiply
    7,480.32x = 11,217.84 × 2,213.94
  4. Step 4: Simplify right side
    7,480.32x = 24,835,624.69
  5. Step 5: Solve for x
    x = 24,835,624.69/7,480.32
  6. Step 6: Final answer
    x = 3,320.13

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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.