Home / 8,020.43-12,032.69-3,338.88

Finding the Fourth Proportional to 8,020.43, 12,032.69 and 3,338.88

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Solution

The fourth proportional to 8,020.43, 12,032.69 and 3,338.88 is: 5,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.43 : 12,032.69 = 3,338.88 : x
  2. Step 2: Convert to fraction form
    8,020.43/12,032.69 = 3,338.88/x
  3. Step 3: Cross multiply
    8,020.43x = 12,032.69 × 3,338.88
  4. Step 4: Simplify right side
    8,020.43x = 40,175,631.13
  5. Step 5: Solve for x
    x = 40,175,631.13/8,020.43
  6. Step 6: Final answer
    x = 5,009.16

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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.