Home / 11,186.20-16,779.30-10,893.88

Finding the Fourth Proportional to 11,186.20, 16,779.30 and 10,893.88

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Solution

The fourth proportional to 11,186.20, 16,779.30 and 10,893.88 is: 16,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.20 : 16,779.30 = 10,893.88 : x
  2. Step 2: Convert to fraction form
    11,186.20/16,779.30 = 10,893.88/x
  3. Step 3: Cross multiply
    11,186.20x = 16,779.30 × 10,893.88
  4. Step 4: Simplify right side
    11,186.20x = 182,791,680.68
  5. Step 5: Solve for x
    x = 182,791,680.68/11,186.20
  6. Step 6: Final answer
    x = 16,340.82

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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.