Home / 7,817.26-11,727.66-2,623

Finding the Fourth Proportional to 7,817.26, 11,727.66 and 2,623

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Solution

The fourth proportional to 7,817.26, 11,727.66 and 2,623 is: 3,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.26 : 11,727.66 = 2,623 : x
  2. Step 2: Convert to fraction form
    7,817.26/11,727.66 = 2,623/x
  3. Step 3: Cross multiply
    7,817.26x = 11,727.66 × 2,623
  4. Step 4: Simplify right side
    7,817.26x = 30,761,652.18
  5. Step 5: Solve for x
    x = 30,761,652.18/7,817.26
  6. Step 6: Final answer
    x = 3,935.09

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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.