Home / 11,190.85-16,784.40-3,692.10

Finding the Fourth Proportional to 11,190.85, 16,784.40 and 3,692.10

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Solution

The fourth proportional to 11,190.85, 16,784.40 and 3,692.10 is: 5,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.85 : 16,784.40 = 3,692.10 : x
  2. Step 2: Convert to fraction form
    11,190.85/16,784.40 = 3,692.10/x
  3. Step 3: Cross multiply
    11,190.85x = 16,784.40 × 3,692.10
  4. Step 4: Simplify right side
    11,190.85x = 61,969,683.24
  5. Step 5: Solve for x
    x = 61,969,683.24/11,190.85
  6. Step 6: Final answer
    x = 5,537.53

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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.