Home / 7,979.38-11,952.60-4,682.56

Finding the Fourth Proportional to 7,979.38, 11,952.60 and 4,682.56

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Solution

The fourth proportional to 7,979.38, 11,952.60 and 4,682.56 is: 7,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.38 : 11,952.60 = 4,682.56 : x
  2. Step 2: Convert to fraction form
    7,979.38/11,952.60 = 4,682.56/x
  3. Step 3: Cross multiply
    7,979.38x = 11,952.60 × 4,682.56
  4. Step 4: Simplify right side
    7,979.38x = 55,968,766.66
  5. Step 5: Solve for x
    x = 55,968,766.66/7,979.38
  6. Step 6: Final answer
    x = 7,014.17

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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.