Home / 8,021.20-12,033.62-3,025.12

Finding the Fourth Proportional to 8,021.20, 12,033.62 and 3,025.12

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Solution

The fourth proportional to 8,021.20, 12,033.62 and 3,025.12 is: 4,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.20 : 12,033.62 = 3,025.12 : x
  2. Step 2: Convert to fraction form
    8,021.20/12,033.62 = 3,025.12/x
  3. Step 3: Cross multiply
    8,021.20x = 12,033.62 × 3,025.12
  4. Step 4: Simplify right side
    8,021.20x = 36,403,069.24
  5. Step 5: Solve for x
    x = 36,403,069.24/8,021.20
  6. Step 6: Final answer
    x = 4,538.36

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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.