Home / 8,079.26-12,123.74-3,462.26

Finding the Fourth Proportional to 8,079.26, 12,123.74 and 3,462.26

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Solution

The fourth proportional to 8,079.26, 12,123.74 and 3,462.26 is: 5,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.26 : 12,123.74 = 3,462.26 : x
  2. Step 2: Convert to fraction form
    8,079.26/12,123.74 = 3,462.26/x
  3. Step 3: Cross multiply
    8,079.26x = 12,123.74 × 3,462.26
  4. Step 4: Simplify right side
    8,079.26x = 41,975,540.05
  5. Step 5: Solve for x
    x = 41,975,540.05/8,079.26
  6. Step 6: Final answer
    x = 5,195.47

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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.