Home / 11,701.44-16,140.60-8,163.36

Finding the Fourth Proportional to 11,701.44, 16,140.60 and 8,163.36

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Solution

The fourth proportional to 11,701.44, 16,140.60 and 8,163.36 is: 11,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.44 : 16,140.60 = 8,163.36 : x
  2. Step 2: Convert to fraction form
    11,701.44/16,140.60 = 8,163.36/x
  3. Step 3: Cross multiply
    11,701.44x = 16,140.60 × 8,163.36
  4. Step 4: Simplify right side
    11,701.44x = 131,761,528.42
  5. Step 5: Solve for x
    x = 131,761,528.42/11,701.44
  6. Step 6: Final answer
    x = 11,260.28

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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.