Home / 11,305.40-16,953.30-5,463.80

Finding the Fourth Proportional to 11,305.40, 16,953.30 and 5,463.80

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Solution

The fourth proportional to 11,305.40, 16,953.30 and 5,463.80 is: 8,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.40 : 16,953.30 = 5,463.80 : x
  2. Step 2: Convert to fraction form
    11,305.40/16,953.30 = 5,463.80/x
  3. Step 3: Cross multiply
    11,305.40x = 16,953.30 × 5,463.80
  4. Step 4: Simplify right side
    11,305.40x = 92,629,440.54
  5. Step 5: Solve for x
    x = 92,629,440.54/11,305.40
  6. Step 6: Final answer
    x = 8,193.38

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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.