Home / 11,090.40-16,632.01-3,692.89

Finding the Fourth Proportional to 11,090.40, 16,632.01 and 3,692.89

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Solution

The fourth proportional to 11,090.40, 16,632.01 and 3,692.89 is: 5,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.40 : 16,632.01 = 3,692.89 : x
  2. Step 2: Convert to fraction form
    11,090.40/16,632.01 = 3,692.89/x
  3. Step 3: Cross multiply
    11,090.40x = 16,632.01 × 3,692.89
  4. Step 4: Simplify right side
    11,090.40x = 61,420,183.41
  5. Step 5: Solve for x
    x = 61,420,183.41/11,090.40
  6. Step 6: Final answer
    x = 5,538.14

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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.