Home / 10,979.30-16,440.75-6,043.43

Finding the Fourth Proportional to 10,979.30, 16,440.75 and 6,043.43

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Solution

The fourth proportional to 10,979.30, 16,440.75 and 6,043.43 is: 9,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.30 : 16,440.75 = 6,043.43 : x
  2. Step 2: Convert to fraction form
    10,979.30/16,440.75 = 6,043.43/x
  3. Step 3: Cross multiply
    10,979.30x = 16,440.75 × 6,043.43
  4. Step 4: Simplify right side
    10,979.30x = 99,358,439.57
  5. Step 5: Solve for x
    x = 99,358,439.57/10,979.30
  6. Step 6: Final answer
    x = 9,049.62

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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.