Home / 11,928.03-17,892.45-3,163.83

Finding the Fourth Proportional to 11,928.03, 17,892.45 and 3,163.83

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Solution

The fourth proportional to 11,928.03, 17,892.45 and 3,163.83 is: 4,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.03 : 17,892.45 = 3,163.83 : x
  2. Step 2: Convert to fraction form
    11,928.03/17,892.45 = 3,163.83/x
  3. Step 3: Cross multiply
    11,928.03x = 17,892.45 × 3,163.83
  4. Step 4: Simplify right side
    11,928.03x = 56,608,670.08
  5. Step 5: Solve for x
    x = 56,608,670.08/11,928.03
  6. Step 6: Final answer
    x = 4,745.85

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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.