Home / 7,480.88-11,217.87-2,214.01

Finding the Fourth Proportional to 7,480.88, 11,217.87 and 2,214.01

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Solution

The fourth proportional to 7,480.88, 11,217.87 and 2,214.01 is: 3,319.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.88 : 11,217.87 = 2,214.01 : x
  2. Step 2: Convert to fraction form
    7,480.88/11,217.87 = 2,214.01/x
  3. Step 3: Cross multiply
    7,480.88x = 11,217.87 × 2,214.01
  4. Step 4: Simplify right side
    7,480.88x = 24,836,446.17
  5. Step 5: Solve for x
    x = 24,836,446.17/7,480.88
  6. Step 6: Final answer
    x = 3,319.99

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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.