Home / 11,167.79-16,748.12-3,669.61

Finding the Fourth Proportional to 11,167.79, 16,748.12 and 3,669.61

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Solution

The fourth proportional to 11,167.79, 16,748.12 and 3,669.61 is: 5,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.79 : 16,748.12 = 3,669.61 : x
  2. Step 2: Convert to fraction form
    11,167.79/16,748.12 = 3,669.61/x
  3. Step 3: Cross multiply
    11,167.79x = 16,748.12 × 3,669.61
  4. Step 4: Simplify right side
    11,167.79x = 61,458,998.65
  5. Step 5: Solve for x
    x = 61,458,998.65/11,167.79
  6. Step 6: Final answer
    x = 5,503.24

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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.