Home / 10,851.44-16,278.35-3,453.30

Finding the Fourth Proportional to 10,851.44, 16,278.35 and 3,453.30

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Solution

The fourth proportional to 10,851.44, 16,278.35 and 3,453.30 is: 5,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.44 : 16,278.35 = 3,453.30 : x
  2. Step 2: Convert to fraction form
    10,851.44/16,278.35 = 3,453.30/x
  3. Step 3: Cross multiply
    10,851.44x = 16,278.35 × 3,453.30
  4. Step 4: Simplify right side
    10,851.44x = 56,214,008.79
  5. Step 5: Solve for x
    x = 56,214,008.79/10,851.44
  6. Step 6: Final answer
    x = 5,180.33

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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.