Home / 11,716.20-17,574.30-4,789.08

Finding the Fourth Proportional to 11,716.20, 17,574.30 and 4,789.08

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Solution

The fourth proportional to 11,716.20, 17,574.30 and 4,789.08 is: 7,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.20 : 17,574.30 = 4,789.08 : x
  2. Step 2: Convert to fraction form
    11,716.20/17,574.30 = 4,789.08/x
  3. Step 3: Cross multiply
    11,716.20x = 17,574.30 × 4,789.08
  4. Step 4: Simplify right side
    11,716.20x = 84,164,728.64
  5. Step 5: Solve for x
    x = 84,164,728.64/11,716.20
  6. Step 6: Final answer
    x = 7,183.62

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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.