Home / 11,716.66-16,169.25-6,411.48

Finding the Fourth Proportional to 11,716.66, 16,169.25 and 6,411.48

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Solution

The fourth proportional to 11,716.66, 16,169.25 and 6,411.48 is: 8,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.66 : 16,169.25 = 6,411.48 : x
  2. Step 2: Convert to fraction form
    11,716.66/16,169.25 = 6,411.48/x
  3. Step 3: Cross multiply
    11,716.66x = 16,169.25 × 6,411.48
  4. Step 4: Simplify right side
    11,716.66x = 103,668,822.99
  5. Step 5: Solve for x
    x = 103,668,822.99/11,716.66
  6. Step 6: Final answer
    x = 8,847.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.