Home / 8,073.87-12,107.63-3,396.12

Finding the Fourth Proportional to 8,073.87, 12,107.63 and 3,396.12

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Solution

The fourth proportional to 8,073.87, 12,107.63 and 3,396.12 is: 5,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.87 : 12,107.63 = 3,396.12 : x
  2. Step 2: Convert to fraction form
    8,073.87/12,107.63 = 3,396.12/x
  3. Step 3: Cross multiply
    8,073.87x = 12,107.63 × 3,396.12
  4. Step 4: Simplify right side
    8,073.87x = 41,118,964.40
  5. Step 5: Solve for x
    x = 41,118,964.40/8,073.87
  6. Step 6: Final answer
    x = 5,092.84

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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.