Home / 8,040.26-12,073.66-5,424.57

Finding the Fourth Proportional to 8,040.26, 12,073.66 and 5,424.57

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Solution

The fourth proportional to 8,040.26, 12,073.66 and 5,424.57 is: 8,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.26 : 12,073.66 = 5,424.57 : x
  2. Step 2: Convert to fraction form
    8,040.26/12,073.66 = 5,424.57/x
  3. Step 3: Cross multiply
    8,040.26x = 12,073.66 × 5,424.57
  4. Step 4: Simplify right side
    8,040.26x = 65,494,400.26
  5. Step 5: Solve for x
    x = 65,494,400.26/8,040.26
  6. Step 6: Final answer
    x = 8,145.80

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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.