Home / 8,149.76-12,225.68-2,883.54

Finding the Fourth Proportional to 8,149.76, 12,225.68 and 2,883.54

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Solution

The fourth proportional to 8,149.76, 12,225.68 and 2,883.54 is: 4,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.76 : 12,225.68 = 2,883.54 : x
  2. Step 2: Convert to fraction form
    8,149.76/12,225.68 = 2,883.54/x
  3. Step 3: Cross multiply
    8,149.76x = 12,225.68 × 2,883.54
  4. Step 4: Simplify right side
    8,149.76x = 35,253,237.05
  5. Step 5: Solve for x
    x = 35,253,237.05/8,149.76
  6. Step 6: Final answer
    x = 4,325.68

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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.