Home / 6,991.74-10,480.62-3,873.18

Finding the Fourth Proportional to 6,991.74, 10,480.62 and 3,873.18

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Solution

The fourth proportional to 6,991.74, 10,480.62 and 3,873.18 is: 5,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.74 : 10,480.62 = 3,873.18 : x
  2. Step 2: Convert to fraction form
    6,991.74/10,480.62 = 3,873.18/x
  3. Step 3: Cross multiply
    6,991.74x = 10,480.62 × 3,873.18
  4. Step 4: Simplify right side
    6,991.74x = 40,593,327.77
  5. Step 5: Solve for x
    x = 40,593,327.77/6,991.74
  6. Step 6: Final answer
    x = 5,805.90

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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.