Home / 11,711.26-16,161.15-6,992.74

Finding the Fourth Proportional to 11,711.26, 16,161.15 and 6,992.74

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Solution

The fourth proportional to 11,711.26, 16,161.15 and 6,992.74 is: 9,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.26 : 16,161.15 = 6,992.74 : x
  2. Step 2: Convert to fraction form
    11,711.26/16,161.15 = 6,992.74/x
  3. Step 3: Cross multiply
    11,711.26x = 16,161.15 × 6,992.74
  4. Step 4: Simplify right side
    11,711.26x = 113,010,720.05
  5. Step 5: Solve for x
    x = 113,010,720.05/11,711.26
  6. Step 6: Final answer
    x = 9,649.75

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1.5x scale

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.