Home / 11,186.22-16,778.95-2,866.31

Finding the Fourth Proportional to 11,186.22, 16,778.95 and 2,866.31

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Solution

The fourth proportional to 11,186.22, 16,778.95 and 2,866.31 is: 4,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.22 : 16,778.95 = 2,866.31 : x
  2. Step 2: Convert to fraction form
    11,186.22/16,778.95 = 2,866.31/x
  3. Step 3: Cross multiply
    11,186.22x = 16,778.95 × 2,866.31
  4. Step 4: Simplify right side
    11,186.22x = 48,093,672.17
  5. Step 5: Solve for x
    x = 48,093,672.17/11,186.22
  6. Step 6: Final answer
    x = 4,299.37

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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.