Home / 11,190.78-16,785.72-3,795.26

Finding the Fourth Proportional to 11,190.78, 16,785.72 and 3,795.26

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Solution

The fourth proportional to 11,190.78, 16,785.72 and 3,795.26 is: 5,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.78 : 16,785.72 = 3,795.26 : x
  2. Step 2: Convert to fraction form
    11,190.78/16,785.72 = 3,795.26/x
  3. Step 3: Cross multiply
    11,190.78x = 16,785.72 × 3,795.26
  4. Step 4: Simplify right side
    11,190.78x = 63,706,087.76
  5. Step 5: Solve for x
    x = 63,706,087.76/11,190.78
  6. Step 6: Final answer
    x = 5,692.73

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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.