Home / 11,117.86-16,679.22-3,326.06

Finding the Fourth Proportional to 11,117.86, 16,679.22 and 3,326.06

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Solution

The fourth proportional to 11,117.86, 16,679.22 and 3,326.06 is: 4,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.86 : 16,679.22 = 3,326.06 : x
  2. Step 2: Convert to fraction form
    11,117.86/16,679.22 = 3,326.06/x
  3. Step 3: Cross multiply
    11,117.86x = 16,679.22 × 3,326.06
  4. Step 4: Simplify right side
    11,117.86x = 55,476,115.70
  5. Step 5: Solve for x
    x = 55,476,115.70/11,117.86
  6. Step 6: Final answer
    x = 4,989.82

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1.5x scale

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.