Home / 10,967.22-16,453.26-5,120.64

Finding the Fourth Proportional to 10,967.22, 16,453.26 and 5,120.64

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Solution

The fourth proportional to 10,967.22, 16,453.26 and 5,120.64 is: 7,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.22 : 16,453.26 = 5,120.64 : x
  2. Step 2: Convert to fraction form
    10,967.22/16,453.26 = 5,120.64/x
  3. Step 3: Cross multiply
    10,967.22x = 16,453.26 × 5,120.64
  4. Step 4: Simplify right side
    10,967.22x = 84,251,221.29
  5. Step 5: Solve for x
    x = 84,251,221.29/10,967.22
  6. Step 6: Final answer
    x = 7,682.09

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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.