Home / 11,135.42-16,704.67-3,742

Finding the Fourth Proportional to 11,135.42, 16,704.67 and 3,742

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Solution

The fourth proportional to 11,135.42, 16,704.67 and 3,742 is: 5,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.42 : 16,704.67 = 3,742 : x
  2. Step 2: Convert to fraction form
    11,135.42/16,704.67 = 3,742/x
  3. Step 3: Cross multiply
    11,135.42x = 16,704.67 × 3,742
  4. Step 4: Simplify right side
    11,135.42x = 62,508,875.14
  5. Step 5: Solve for x
    x = 62,508,875.14/11,135.42
  6. Step 6: Final answer
    x = 5,613.52

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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.