Home / 10,979.96-16,472.68-3,584.84

Finding the Fourth Proportional to 10,979.96, 16,472.68 and 3,584.84

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Solution

The fourth proportional to 10,979.96, 16,472.68 and 3,584.84 is: 5,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.96 : 16,472.68 = 3,584.84 : x
  2. Step 2: Convert to fraction form
    10,979.96/16,472.68 = 3,584.84/x
  3. Step 3: Cross multiply
    10,979.96x = 16,472.68 × 3,584.84
  4. Step 4: Simplify right side
    10,979.96x = 59,051,922.17
  5. Step 5: Solve for x
    x = 59,051,922.17/10,979.96
  6. Step 6: Final answer
    x = 5,378.15

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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.