Home / 8,173.60-12,244.20-4,876.90

Finding the Fourth Proportional to 8,173.60, 12,244.20 and 4,876.90

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Solution

The fourth proportional to 8,173.60, 12,244.20 and 4,876.90 is: 7,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.60 : 12,244.20 = 4,876.90 : x
  2. Step 2: Convert to fraction form
    8,173.60/12,244.20 = 4,876.90/x
  3. Step 3: Cross multiply
    8,173.60x = 12,244.20 × 4,876.90
  4. Step 4: Simplify right side
    8,173.60x = 59,713,738.98
  5. Step 5: Solve for x
    x = 59,713,738.98/8,173.60
  6. Step 6: Final answer
    x = 7,305.68

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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.