Home / 8,042.37-12,065.46-3,359.78

Finding the Fourth Proportional to 8,042.37, 12,065.46 and 3,359.78

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Solution

The fourth proportional to 8,042.37, 12,065.46 and 3,359.78 is: 5,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.37 : 12,065.46 = 3,359.78 : x
  2. Step 2: Convert to fraction form
    8,042.37/12,065.46 = 3,359.78/x
  3. Step 3: Cross multiply
    8,042.37x = 12,065.46 × 3,359.78
  4. Step 4: Simplify right side
    8,042.37x = 40,537,291.20
  5. Step 5: Solve for x
    x = 40,537,291.20/8,042.37
  6. Step 6: Final answer
    x = 5,040.47

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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.