Home / 11,190.55-16,782.39-3,692.73

Finding the Fourth Proportional to 11,190.55, 16,782.39 and 3,692.73

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Solution

The fourth proportional to 11,190.55, 16,782.39 and 3,692.73 is: 5,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.55 : 16,782.39 = 3,692.73 : x
  2. Step 2: Convert to fraction form
    11,190.55/16,782.39 = 3,692.73/x
  3. Step 3: Cross multiply
    11,190.55x = 16,782.39 × 3,692.73
  4. Step 4: Simplify right side
    11,190.55x = 61,972,741.88
  5. Step 5: Solve for x
    x = 61,972,741.88/11,190.55
  6. Step 6: Final answer
    x = 5,537.95

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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.