Home / 8,039.66-12,055.13-2,491.49

Finding the Fourth Proportional to 8,039.66, 12,055.13 and 2,491.49

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Solution

The fourth proportional to 8,039.66, 12,055.13 and 2,491.49 is: 3,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.66 : 12,055.13 = 2,491.49 : x
  2. Step 2: Convert to fraction form
    8,039.66/12,055.13 = 2,491.49/x
  3. Step 3: Cross multiply
    8,039.66x = 12,055.13 × 2,491.49
  4. Step 4: Simplify right side
    8,039.66x = 30,035,262.87
  5. Step 5: Solve for x
    x = 30,035,262.87/8,039.66
  6. Step 6: Final answer
    x = 3,735.89

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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.