Home / 8,079.48-12,113.55-4,131.96

Finding the Fourth Proportional to 8,079.48, 12,113.55 and 4,131.96

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Solution

The fourth proportional to 8,079.48, 12,113.55 and 4,131.96 is: 6,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.48 : 12,113.55 = 4,131.96 : x
  2. Step 2: Convert to fraction form
    8,079.48/12,113.55 = 4,131.96/x
  3. Step 3: Cross multiply
    8,079.48x = 12,113.55 × 4,131.96
  4. Step 4: Simplify right side
    8,079.48x = 50,052,704.06
  5. Step 5: Solve for x
    x = 50,052,704.06/8,079.48
  6. Step 6: Final answer
    x = 6,195.04

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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.