Home / 8,021.73-12,033.75-4,318.95

Finding the Fourth Proportional to 8,021.73, 12,033.75 and 4,318.95

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Solution

The fourth proportional to 8,021.73, 12,033.75 and 4,318.95 is: 6,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.73 : 12,033.75 = 4,318.95 : x
  2. Step 2: Convert to fraction form
    8,021.73/12,033.75 = 4,318.95/x
  3. Step 3: Cross multiply
    8,021.73x = 12,033.75 × 4,318.95
  4. Step 4: Simplify right side
    8,021.73x = 51,973,164.56
  5. Step 5: Solve for x
    x = 51,973,164.56/8,021.73
  6. Step 6: Final answer
    x = 6,479.05

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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.