Home / 8,261.14-12,393.81-2,338.02

Finding the Fourth Proportional to 8,261.14, 12,393.81 and 2,338.02

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Solution

The fourth proportional to 8,261.14, 12,393.81 and 2,338.02 is: 3,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.14 : 12,393.81 = 2,338.02 : x
  2. Step 2: Convert to fraction form
    8,261.14/12,393.81 = 2,338.02/x
  3. Step 3: Cross multiply
    8,261.14x = 12,393.81 × 2,338.02
  4. Step 4: Simplify right side
    8,261.14x = 28,976,975.66
  5. Step 5: Solve for x
    x = 28,976,975.66/8,261.14
  6. Step 6: Final answer
    x = 3,507.62

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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.