Home / 11,691.50-17,537.22-2,926.40

Finding the Fourth Proportional to 11,691.50, 17,537.22 and 2,926.40

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Solution

The fourth proportional to 11,691.50, 17,537.22 and 2,926.40 is: 4,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.50 : 17,537.22 = 2,926.40 : x
  2. Step 2: Convert to fraction form
    11,691.50/17,537.22 = 2,926.40/x
  3. Step 3: Cross multiply
    11,691.50x = 17,537.22 × 2,926.40
  4. Step 4: Simplify right side
    11,691.50x = 51,320,832.92
  5. Step 5: Solve for x
    x = 51,320,832.92/11,691.50
  6. Step 6: Final answer
    x = 4,389.59

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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.