Home / 8,774.20-13,161.30-2,200.60

Finding the Fourth Proportional to 8,774.20, 13,161.30 and 2,200.60

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Solution

The fourth proportional to 8,774.20, 13,161.30 and 2,200.60 is: 3,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.20 : 13,161.30 = 2,200.60 : x
  2. Step 2: Convert to fraction form
    8,774.20/13,161.30 = 2,200.60/x
  3. Step 3: Cross multiply
    8,774.20x = 13,161.30 × 2,200.60
  4. Step 4: Simplify right side
    8,774.20x = 28,962,756.78
  5. Step 5: Solve for x
    x = 28,962,756.78/8,774.20
  6. Step 6: Final answer
    x = 3,300.90

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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.