Home / 8,022.32-12,023.44-3,861.21

Finding the Fourth Proportional to 8,022.32, 12,023.44 and 3,861.21

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Solution

The fourth proportional to 8,022.32, 12,023.44 and 3,861.21 is: 5,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.32 : 12,023.44 = 3,861.21 : x
  2. Step 2: Convert to fraction form
    8,022.32/12,023.44 = 3,861.21/x
  3. Step 3: Cross multiply
    8,022.32x = 12,023.44 × 3,861.21
  4. Step 4: Simplify right side
    8,022.32x = 46,425,017.11
  5. Step 5: Solve for x
    x = 46,425,017.11/8,022.32
  6. Step 6: Final answer
    x = 5,786.99

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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.