Home / 10,979.08-16,454.24-4,409.88

Finding the Fourth Proportional to 10,979.08, 16,454.24 and 4,409.88

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Solution

The fourth proportional to 10,979.08, 16,454.24 and 4,409.88 is: 6,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.08 : 16,454.24 = 4,409.88 : x
  2. Step 2: Convert to fraction form
    10,979.08/16,454.24 = 4,409.88/x
  3. Step 3: Cross multiply
    10,979.08x = 16,454.24 × 4,409.88
  4. Step 4: Simplify right side
    10,979.08x = 72,561,223.89
  5. Step 5: Solve for x
    x = 72,561,223.89/10,979.08
  6. Step 6: Final answer
    x = 6,609.04

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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.