Home / 8,082.26-12,128.24-3,465.26

Finding the Fourth Proportional to 8,082.26, 12,128.24 and 3,465.26

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Solution

The fourth proportional to 8,082.26, 12,128.24 and 3,465.26 is: 5,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.26 : 12,128.24 = 3,465.26 : x
  2. Step 2: Convert to fraction form
    8,082.26/12,128.24 = 3,465.26/x
  3. Step 3: Cross multiply
    8,082.26x = 12,128.24 × 3,465.26
  4. Step 4: Simplify right side
    8,082.26x = 42,027,504.94
  5. Step 5: Solve for x
    x = 42,027,504.94/8,082.26
  6. Step 6: Final answer
    x = 5,199.97

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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.