Home / 10,954.92-16,434.81-3,163.13

Finding the Fourth Proportional to 10,954.92, 16,434.81 and 3,163.13

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Solution

The fourth proportional to 10,954.92, 16,434.81 and 3,163.13 is: 4,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.92 : 16,434.81 = 3,163.13 : x
  2. Step 2: Convert to fraction form
    10,954.92/16,434.81 = 3,163.13/x
  3. Step 3: Cross multiply
    10,954.92x = 16,434.81 × 3,163.13
  4. Step 4: Simplify right side
    10,954.92x = 51,985,440.56
  5. Step 5: Solve for x
    x = 51,985,440.56/10,954.92
  6. Step 6: Final answer
    x = 4,745.40

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1.5x scale

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.