Home / 10,919.56-16,367.65-5,649.26

Finding the Fourth Proportional to 10,919.56, 16,367.65 and 5,649.26

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Solution

The fourth proportional to 10,919.56, 16,367.65 and 5,649.26 is: 8,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.56 : 16,367.65 = 5,649.26 : x
  2. Step 2: Convert to fraction form
    10,919.56/16,367.65 = 5,649.26/x
  3. Step 3: Cross multiply
    10,919.56x = 16,367.65 × 5,649.26
  4. Step 4: Simplify right side
    10,919.56x = 92,465,110.44
  5. Step 5: Solve for x
    x = 92,465,110.44/10,919.56
  6. Step 6: Final answer
    x = 8,467.84

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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.