Home / 8,020.86-12,033.36-3,339.38

Finding the Fourth Proportional to 8,020.86, 12,033.36 and 3,339.38

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Solution

The fourth proportional to 8,020.86, 12,033.36 and 3,339.38 is: 5,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.86 : 12,033.36 = 3,339.38 : x
  2. Step 2: Convert to fraction form
    8,020.86/12,033.36 = 3,339.38/x
  3. Step 3: Cross multiply
    8,020.86x = 12,033.36 × 3,339.38
  4. Step 4: Simplify right side
    8,020.86x = 40,183,961.72
  5. Step 5: Solve for x
    x = 40,183,961.72/8,020.86
  6. Step 6: Final answer
    x = 5,009.93

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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.