Home / 11,190.23-16,781.75-3,692.10

Finding the Fourth Proportional to 11,190.23, 16,781.75 and 3,692.10

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Solution

The fourth proportional to 11,190.23, 16,781.75 and 3,692.10 is: 5,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.23 : 16,781.75 = 3,692.10 : x
  2. Step 2: Convert to fraction form
    11,190.23/16,781.75 = 3,692.10/x
  3. Step 3: Cross multiply
    11,190.23x = 16,781.75 × 3,692.10
  4. Step 4: Simplify right side
    11,190.23x = 61,959,880.71
  5. Step 5: Solve for x
    x = 61,959,880.71/11,190.23
  6. Step 6: Final answer
    x = 5,536.96

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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.