Home / 8,839.46-13,259.22-3,000.20

Finding the Fourth Proportional to 8,839.46, 13,259.22 and 3,000.20

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Solution

The fourth proportional to 8,839.46, 13,259.22 and 3,000.20 is: 4,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.46 : 13,259.22 = 3,000.20 : x
  2. Step 2: Convert to fraction form
    8,839.46/13,259.22 = 3,000.20/x
  3. Step 3: Cross multiply
    8,839.46x = 13,259.22 × 3,000.20
  4. Step 4: Simplify right side
    8,839.46x = 39,780,311.84
  5. Step 5: Solve for x
    x = 39,780,311.84/8,839.46
  6. Step 6: Final answer
    x = 4,500.31

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Half scale
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Similar ratio
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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.