Home / 11,944.90-17,912.49-5,369.32

Finding the Fourth Proportional to 11,944.90, 17,912.49 and 5,369.32

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Solution

The fourth proportional to 11,944.90, 17,912.49 and 5,369.32 is: 8,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.90 : 17,912.49 = 5,369.32 : x
  2. Step 2: Convert to fraction form
    11,944.90/17,912.49 = 5,369.32/x
  3. Step 3: Cross multiply
    11,944.90x = 17,912.49 × 5,369.32
  4. Step 4: Simplify right side
    11,944.90x = 96,177,890.81
  5. Step 5: Solve for x
    x = 96,177,890.81/11,944.90
  6. Step 6: Final answer
    x = 8,051.80

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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.