Home / 11,142.54-16,715.25-3,352.14

Finding the Fourth Proportional to 11,142.54, 16,715.25 and 3,352.14

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Solution

The fourth proportional to 11,142.54, 16,715.25 and 3,352.14 is: 5,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.54 : 16,715.25 = 3,352.14 : x
  2. Step 2: Convert to fraction form
    11,142.54/16,715.25 = 3,352.14/x
  3. Step 3: Cross multiply
    11,142.54x = 16,715.25 × 3,352.14
  4. Step 4: Simplify right side
    11,142.54x = 56,031,858.14
  5. Step 5: Solve for x
    x = 56,031,858.14/11,142.54
  6. Step 6: Final answer
    x = 5,028.64

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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.