Home / 7,936.75-11,904.21-3,192.73

Finding the Fourth Proportional to 7,936.75, 11,904.21 and 3,192.73

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Solution

The fourth proportional to 7,936.75, 11,904.21 and 3,192.73 is: 4,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.75 : 11,904.21 = 3,192.73 : x
  2. Step 2: Convert to fraction form
    7,936.75/11,904.21 = 3,192.73/x
  3. Step 3: Cross multiply
    7,936.75x = 11,904.21 × 3,192.73
  4. Step 4: Simplify right side
    7,936.75x = 38,006,928.39
  5. Step 5: Solve for x
    x = 38,006,928.39/7,936.75
  6. Step 6: Final answer
    x = 4,788.73

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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.