Home / 11,942.66-17,912.70-4,923.54

Finding the Fourth Proportional to 11,942.66, 17,912.70 and 4,923.54

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Solution

The fourth proportional to 11,942.66, 17,912.70 and 4,923.54 is: 7,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.66 : 17,912.70 = 4,923.54 : x
  2. Step 2: Convert to fraction form
    11,942.66/17,912.70 = 4,923.54/x
  3. Step 3: Cross multiply
    11,942.66x = 17,912.70 × 4,923.54
  4. Step 4: Simplify right side
    11,942.66x = 88,193,894.96
  5. Step 5: Solve for x
    x = 88,193,894.96/11,942.66
  6. Step 6: Final answer
    x = 7,384.78

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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.