Home / 7,675.07-11,516.25-3,976.61

Finding the Fourth Proportional to 7,675.07, 11,516.25 and 3,976.61

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Solution

The fourth proportional to 7,675.07, 11,516.25 and 3,976.61 is: 5,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.07 : 11,516.25 = 3,976.61 : x
  2. Step 2: Convert to fraction form
    7,675.07/11,516.25 = 3,976.61/x
  3. Step 3: Cross multiply
    7,675.07x = 11,516.25 × 3,976.61
  4. Step 4: Simplify right side
    7,675.07x = 45,795,634.91
  5. Step 5: Solve for x
    x = 45,795,634.91/7,675.07
  6. Step 6: Final answer
    x = 5,966.80

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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.