Home / 10,869.30-16,299.39-3,471.77

Finding the Fourth Proportional to 10,869.30, 16,299.39 and 3,471.77

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Solution

The fourth proportional to 10,869.30, 16,299.39 and 3,471.77 is: 5,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.30 : 16,299.39 = 3,471.77 : x
  2. Step 2: Convert to fraction form
    10,869.30/16,299.39 = 3,471.77/x
  3. Step 3: Cross multiply
    10,869.30x = 16,299.39 × 3,471.77
  4. Step 4: Simplify right side
    10,869.30x = 56,587,786.99
  5. Step 5: Solve for x
    x = 56,587,786.99/10,869.30
  6. Step 6: Final answer
    x = 5,206.20

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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.