Home / 11,691.85-17,537.76-2,926.75

Finding the Fourth Proportional to 11,691.85, 17,537.76 and 2,926.75

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Solution

The fourth proportional to 11,691.85, 17,537.76 and 2,926.75 is: 4,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.85 : 17,537.76 = 2,926.75 : x
  2. Step 2: Convert to fraction form
    11,691.85/17,537.76 = 2,926.75/x
  3. Step 3: Cross multiply
    11,691.85x = 17,537.76 × 2,926.75
  4. Step 4: Simplify right side
    11,691.85x = 51,328,639.08
  5. Step 5: Solve for x
    x = 51,328,639.08/11,691.85
  6. Step 6: Final answer
    x = 4,390.12

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1.5x scale

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.