Home / 8,133.33-12,201.72-3,135.84

Finding the Fourth Proportional to 8,133.33, 12,201.72 and 3,135.84

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Solution

The fourth proportional to 8,133.33, 12,201.72 and 3,135.84 is: 4,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.33 : 12,201.72 = 3,135.84 : x
  2. Step 2: Convert to fraction form
    8,133.33/12,201.72 = 3,135.84/x
  3. Step 3: Cross multiply
    8,133.33x = 12,201.72 × 3,135.84
  4. Step 4: Simplify right side
    8,133.33x = 38,262,641.64
  5. Step 5: Solve for x
    x = 38,262,641.64/8,133.33
  6. Step 6: Final answer
    x = 4,704.43

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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.