Home / 7,976.16-11,966.06-3,817.22

Finding the Fourth Proportional to 7,976.16, 11,966.06 and 3,817.22

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Solution

The fourth proportional to 7,976.16, 11,966.06 and 3,817.22 is: 5,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.16 : 11,966.06 = 3,817.22 : x
  2. Step 2: Convert to fraction form
    7,976.16/11,966.06 = 3,817.22/x
  3. Step 3: Cross multiply
    7,976.16x = 11,966.06 × 3,817.22
  4. Step 4: Simplify right side
    7,976.16x = 45,677,033.27
  5. Step 5: Solve for x
    x = 45,677,033.27/7,976.16
  6. Step 6: Final answer
    x = 5,726.69

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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.