Home / 10,997.26-15,172.44-6,216.64

Finding the Fourth Proportional to 10,997.26, 15,172.44 and 6,216.64

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Solution

The fourth proportional to 10,997.26, 15,172.44 and 6,216.64 is: 8,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.26 : 15,172.44 = 6,216.64 : x
  2. Step 2: Convert to fraction form
    10,997.26/15,172.44 = 6,216.64/x
  3. Step 3: Cross multiply
    10,997.26x = 15,172.44 × 6,216.64
  4. Step 4: Simplify right side
    10,997.26x = 94,321,597.40
  5. Step 5: Solve for x
    x = 94,321,597.40/10,997.26
  6. Step 6: Final answer
    x = 8,576.83

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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.