Home / 10,979.03-16,470.14-3,581.66

Finding the Fourth Proportional to 10,979.03, 16,470.14 and 3,581.66

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Solution

The fourth proportional to 10,979.03, 16,470.14 and 3,581.66 is: 5,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.03 : 16,470.14 = 3,581.66 : x
  2. Step 2: Convert to fraction form
    10,979.03/16,470.14 = 3,581.66/x
  3. Step 3: Cross multiply
    10,979.03x = 16,470.14 × 3,581.66
  4. Step 4: Simplify right side
    10,979.03x = 58,990,464.90
  5. Step 5: Solve for x
    x = 58,990,464.90/10,979.03
  6. Step 6: Final answer
    x = 5,373.01

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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.