Home / 11,691.60-17,537.39-2,926.51

Finding the Fourth Proportional to 11,691.60, 17,537.39 and 2,926.51

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Solution

The fourth proportional to 11,691.60, 17,537.39 and 2,926.51 is: 4,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.60 : 17,537.39 = 2,926.51 : x
  2. Step 2: Convert to fraction form
    11,691.60/17,537.39 = 2,926.51/x
  3. Step 3: Cross multiply
    11,691.60x = 17,537.39 × 2,926.51
  4. Step 4: Simplify right side
    11,691.60x = 51,323,244.89
  5. Step 5: Solve for x
    x = 51,323,244.89/11,691.60
  6. Step 6: Final answer
    x = 4,389.76

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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.