Home / 8,011.41-12,021.99-3,081.48

Finding the Fourth Proportional to 8,011.41, 12,021.99 and 3,081.48

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Solution

The fourth proportional to 8,011.41, 12,021.99 and 3,081.48 is: 4,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.41 : 12,021.99 = 3,081.48 : x
  2. Step 2: Convert to fraction form
    8,011.41/12,021.99 = 3,081.48/x
  3. Step 3: Cross multiply
    8,011.41x = 12,021.99 × 3,081.48
  4. Step 4: Simplify right side
    8,011.41x = 37,045,521.75
  5. Step 5: Solve for x
    x = 37,045,521.75/8,011.41
  6. Step 6: Final answer
    x = 4,624.10

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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.