Home / 8,079.33-12,122.10-3,152.46

Finding the Fourth Proportional to 8,079.33, 12,122.10 and 3,152.46

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Solution

The fourth proportional to 8,079.33, 12,122.10 and 3,152.46 is: 4,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.33 : 12,122.10 = 3,152.46 : x
  2. Step 2: Convert to fraction form
    8,079.33/12,122.10 = 3,152.46/x
  3. Step 3: Cross multiply
    8,079.33x = 12,122.10 × 3,152.46
  4. Step 4: Simplify right side
    8,079.33x = 38,214,435.37
  5. Step 5: Solve for x
    x = 38,214,435.37/8,079.33
  6. Step 6: Final answer
    x = 4,729.90

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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.