Home / 6,968.73-10,456.49-2,811.75

Finding the Fourth Proportional to 6,968.73, 10,456.49 and 2,811.75

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Solution

The fourth proportional to 6,968.73, 10,456.49 and 2,811.75 is: 4,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.73 : 10,456.49 = 2,811.75 : x
  2. Step 2: Convert to fraction form
    6,968.73/10,456.49 = 2,811.75/x
  3. Step 3: Cross multiply
    6,968.73x = 10,456.49 × 2,811.75
  4. Step 4: Simplify right side
    6,968.73x = 29,401,003.58
  5. Step 5: Solve for x
    x = 29,401,003.58/6,968.73
  6. Step 6: Final answer
    x = 4,218.99

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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.