Home / 10,979.30-16,473.04-6,599.90

Finding the Fourth Proportional to 10,979.30, 16,473.04 and 6,599.90

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Solution

The fourth proportional to 10,979.30, 16,473.04 and 6,599.90 is: 9,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.30 : 16,473.04 = 6,599.90 : x
  2. Step 2: Convert to fraction form
    10,979.30/16,473.04 = 6,599.90/x
  3. Step 3: Cross multiply
    10,979.30x = 16,473.04 × 6,599.90
  4. Step 4: Simplify right side
    10,979.30x = 108,720,416.70
  5. Step 5: Solve for x
    x = 108,720,416.70/10,979.30
  6. Step 6: Final answer
    x = 9,902.31

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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.