Home / 8,377.41-12,567.49-2,831.09

Finding the Fourth Proportional to 8,377.41, 12,567.49 and 2,831.09

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Solution

The fourth proportional to 8,377.41, 12,567.49 and 2,831.09 is: 4,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.41 : 12,567.49 = 2,831.09 : x
  2. Step 2: Convert to fraction form
    8,377.41/12,567.49 = 2,831.09/x
  3. Step 3: Cross multiply
    8,377.41x = 12,567.49 × 2,831.09
  4. Step 4: Simplify right side
    8,377.41x = 35,579,625.35
  5. Step 5: Solve for x
    x = 35,579,625.35/8,377.41
  6. Step 6: Final answer
    x = 4,247.09

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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.