Home / 11,100.20-16,650.30-4,522.80

Finding the Fourth Proportional to 11,100.20, 16,650.30 and 4,522.80

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Solution

The fourth proportional to 11,100.20, 16,650.30 and 4,522.80 is: 6,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.20 : 16,650.30 = 4,522.80 : x
  2. Step 2: Convert to fraction form
    11,100.20/16,650.30 = 4,522.80/x
  3. Step 3: Cross multiply
    11,100.20x = 16,650.30 × 4,522.80
  4. Step 4: Simplify right side
    11,100.20x = 75,305,976.84
  5. Step 5: Solve for x
    x = 75,305,976.84/11,100.20
  6. Step 6: Final answer
    x = 6,784.20

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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.