Home / 11,923.75-17,890.68-5,997.50

Finding the Fourth Proportional to 11,923.75, 17,890.68 and 5,997.50

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Solution

The fourth proportional to 11,923.75, 17,890.68 and 5,997.50 is: 8,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.75 : 17,890.68 = 5,997.50 : x
  2. Step 2: Convert to fraction form
    11,923.75/17,890.68 = 5,997.50/x
  3. Step 3: Cross multiply
    11,923.75x = 17,890.68 × 5,997.50
  4. Step 4: Simplify right side
    11,923.75x = 107,299,353.30
  5. Step 5: Solve for x
    x = 107,299,353.30/11,923.75
  6. Step 6: Final answer
    x = 8,998.79

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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.