Home / 11,156.40-16,733.70-3,760.70

Finding the Fourth Proportional to 11,156.40, 16,733.70 and 3,760.70

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Solution

The fourth proportional to 11,156.40, 16,733.70 and 3,760.70 is: 5,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.40 : 16,733.70 = 3,760.70 : x
  2. Step 2: Convert to fraction form
    11,156.40/16,733.70 = 3,760.70/x
  3. Step 3: Cross multiply
    11,156.40x = 16,733.70 × 3,760.70
  4. Step 4: Simplify right side
    11,156.40x = 62,930,425.59
  5. Step 5: Solve for x
    x = 62,930,425.59/11,156.40
  6. Step 6: Final answer
    x = 5,640.75

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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.