Home / 8,396.11-12,592.54-3,200.77

Finding the Fourth Proportional to 8,396.11, 12,592.54 and 3,200.77

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Solution

The fourth proportional to 8,396.11, 12,592.54 and 3,200.77 is: 4,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.11 : 12,592.54 = 3,200.77 : x
  2. Step 2: Convert to fraction form
    8,396.11/12,592.54 = 3,200.77/x
  3. Step 3: Cross multiply
    8,396.11x = 12,592.54 × 3,200.77
  4. Step 4: Simplify right side
    8,396.11x = 40,305,824.26
  5. Step 5: Solve for x
    x = 40,305,824.26/8,396.11
  6. Step 6: Final answer
    x = 4,800.54

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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.