Home / 11,135.40-16,704.30-3,739.56

Finding the Fourth Proportional to 11,135.40, 16,704.30 and 3,739.56

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Solution

The fourth proportional to 11,135.40, 16,704.30 and 3,739.56 is: 5,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.40 : 16,704.30 = 3,739.56 : x
  2. Step 2: Convert to fraction form
    11,135.40/16,704.30 = 3,739.56/x
  3. Step 3: Cross multiply
    11,135.40x = 16,704.30 × 3,739.56
  4. Step 4: Simplify right side
    11,135.40x = 62,466,732.11
  5. Step 5: Solve for x
    x = 62,466,732.11/11,135.40
  6. Step 6: Final answer
    x = 5,609.74

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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.