Home / 10,952.92-16,431.81-3,161.13

Finding the Fourth Proportional to 10,952.92, 16,431.81 and 3,161.13

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Solution

The fourth proportional to 10,952.92, 16,431.81 and 3,161.13 is: 4,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.92 : 16,431.81 = 3,161.13 : x
  2. Step 2: Convert to fraction form
    10,952.92/16,431.81 = 3,161.13/x
  3. Step 3: Cross multiply
    10,952.92x = 16,431.81 × 3,161.13
  4. Step 4: Simplify right side
    10,952.92x = 51,943,087.55
  5. Step 5: Solve for x
    x = 51,943,087.55/10,952.92
  6. Step 6: Final answer
    x = 4,742.40

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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.