Home / 7,984.16-11,976.75-2,437.70

Finding the Fourth Proportional to 7,984.16, 11,976.75 and 2,437.70

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Solution

The fourth proportional to 7,984.16, 11,976.75 and 2,437.70 is: 3,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.16 : 11,976.75 = 2,437.70 : x
  2. Step 2: Convert to fraction form
    7,984.16/11,976.75 = 2,437.70/x
  3. Step 3: Cross multiply
    7,984.16x = 11,976.75 × 2,437.70
  4. Step 4: Simplify right side
    7,984.16x = 29,195,723.48
  5. Step 5: Solve for x
    x = 29,195,723.48/7,984.16
  6. Step 6: Final answer
    x = 3,656.71

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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.