Home / 8,805.31-13,198.93-3,874.03

Finding the Fourth Proportional to 8,805.31, 13,198.93 and 3,874.03

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Solution

The fourth proportional to 8,805.31, 13,198.93 and 3,874.03 is: 5,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.31 : 13,198.93 = 3,874.03 : x
  2. Step 2: Convert to fraction form
    8,805.31/13,198.93 = 3,874.03/x
  3. Step 3: Cross multiply
    8,805.31x = 13,198.93 × 3,874.03
  4. Step 4: Simplify right side
    8,805.31x = 51,133,050.79
  5. Step 5: Solve for x
    x = 51,133,050.79/8,805.31
  6. Step 6: Final answer
    x = 5,807.07

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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.