Home / 10,979.68-16,467.76-3,584.08

Finding the Fourth Proportional to 10,979.68, 16,467.76 and 3,584.08

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Solution

The fourth proportional to 10,979.68, 16,467.76 and 3,584.08 is: 5,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.68 : 16,467.76 = 3,584.08 : x
  2. Step 2: Convert to fraction form
    10,979.68/16,467.76 = 3,584.08/x
  3. Step 3: Cross multiply
    10,979.68x = 16,467.76 × 3,584.08
  4. Step 4: Simplify right side
    10,979.68x = 59,021,769.26
  5. Step 5: Solve for x
    x = 59,021,769.26/10,979.68
  6. Step 6: Final answer
    x = 5,375.55

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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.