Home / 11,786.91-17,692.67-5,217.72

Finding the Fourth Proportional to 11,786.91, 17,692.67 and 5,217.72

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Solution

The fourth proportional to 11,786.91, 17,692.67 and 5,217.72 is: 7,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.91 : 17,692.67 = 5,217.72 : x
  2. Step 2: Convert to fraction form
    11,786.91/17,692.67 = 5,217.72/x
  3. Step 3: Cross multiply
    11,786.91x = 17,692.67 × 5,217.72
  4. Step 4: Simplify right side
    11,786.91x = 92,315,372.02
  5. Step 5: Solve for x
    x = 92,315,372.02/11,786.91
  6. Step 6: Final answer
    x = 7,832.02

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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.