Home / 10,851.68-16,279.14-3,453.95

Finding the Fourth Proportional to 10,851.68, 16,279.14 and 3,453.95

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Solution

The fourth proportional to 10,851.68, 16,279.14 and 3,453.95 is: 5,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.68 : 16,279.14 = 3,453.95 : x
  2. Step 2: Convert to fraction form
    10,851.68/16,279.14 = 3,453.95/x
  3. Step 3: Cross multiply
    10,851.68x = 16,279.14 × 3,453.95
  4. Step 4: Simplify right side
    10,851.68x = 56,227,335.60
  5. Step 5: Solve for x
    x = 56,227,335.60/10,851.68
  6. Step 6: Final answer
    x = 5,181.44

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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.