Home / 10,954.13-16,431.82-3,559.22

Finding the Fourth Proportional to 10,954.13, 16,431.82 and 3,559.22

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Solution

The fourth proportional to 10,954.13, 16,431.82 and 3,559.22 is: 5,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.13 : 16,431.82 = 3,559.22 : x
  2. Step 2: Convert to fraction form
    10,954.13/16,431.82 = 3,559.22/x
  3. Step 3: Cross multiply
    10,954.13x = 16,431.82 × 3,559.22
  4. Step 4: Simplify right side
    10,954.13x = 58,484,462.38
  5. Step 5: Solve for x
    x = 58,484,462.38/10,954.13
  6. Step 6: Final answer
    x = 5,339.03

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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.