Home / 11,135.61-16,704.95-3,742.18

Finding the Fourth Proportional to 11,135.61, 16,704.95 and 3,742.18

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Solution

The fourth proportional to 11,135.61, 16,704.95 and 3,742.18 is: 5,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.61 : 16,704.95 = 3,742.18 : x
  2. Step 2: Convert to fraction form
    11,135.61/16,704.95 = 3,742.18/x
  3. Step 3: Cross multiply
    11,135.61x = 16,704.95 × 3,742.18
  4. Step 4: Simplify right side
    11,135.61x = 62,512,929.79
  5. Step 5: Solve for x
    x = 62,512,929.79/11,135.61
  6. Step 6: Final answer
    x = 5,613.79

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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.