Home / 6,816.23-10,224.34-2,136.61

Finding the Fourth Proportional to 6,816.23, 10,224.34 and 2,136.61

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Solution

The fourth proportional to 6,816.23, 10,224.34 and 2,136.61 is: 3,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.23 : 10,224.34 = 2,136.61 : x
  2. Step 2: Convert to fraction form
    6,816.23/10,224.34 = 2,136.61/x
  3. Step 3: Cross multiply
    6,816.23x = 10,224.34 × 2,136.61
  4. Step 4: Simplify right side
    6,816.23x = 21,845,427.09
  5. Step 5: Solve for x
    x = 21,845,427.09/6,816.23
  6. Step 6: Final answer
    x = 3,204.91

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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.