Home / 10,871.92-16,299.90-3,472.12

Finding the Fourth Proportional to 10,871.92, 16,299.90 and 3,472.12

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Solution

The fourth proportional to 10,871.92, 16,299.90 and 3,472.12 is: 5,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.92 : 16,299.90 = 3,472.12 : x
  2. Step 2: Convert to fraction form
    10,871.92/16,299.90 = 3,472.12/x
  3. Step 3: Cross multiply
    10,871.92x = 16,299.90 × 3,472.12
  4. Step 4: Simplify right side
    10,871.92x = 56,595,208.79
  5. Step 5: Solve for x
    x = 56,595,208.79/10,871.92
  6. Step 6: Final answer
    x = 5,205.63

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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.