Home / 10,784.42-16,179.05-3,288.65

Finding the Fourth Proportional to 10,784.42, 16,179.05 and 3,288.65

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Solution

The fourth proportional to 10,784.42, 16,179.05 and 3,288.65 is: 4,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.42 : 16,179.05 = 3,288.65 : x
  2. Step 2: Convert to fraction form
    10,784.42/16,179.05 = 3,288.65/x
  3. Step 3: Cross multiply
    10,784.42x = 16,179.05 × 3,288.65
  4. Step 4: Simplify right side
    10,784.42x = 53,207,135.44
  5. Step 5: Solve for x
    x = 53,207,135.44/10,784.42
  6. Step 6: Final answer
    x = 4,933.71

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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.