Home / 11,747.73-17,620.70-6,814.29

Finding the Fourth Proportional to 11,747.73, 17,620.70 and 6,814.29

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Solution

The fourth proportional to 11,747.73, 17,620.70 and 6,814.29 is: 10,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.73 : 17,620.70 = 6,814.29 : x
  2. Step 2: Convert to fraction form
    11,747.73/17,620.70 = 6,814.29/x
  3. Step 3: Cross multiply
    11,747.73x = 17,620.70 × 6,814.29
  4. Step 4: Simplify right side
    11,747.73x = 120,072,525.73
  5. Step 5: Solve for x
    x = 120,072,525.73/11,747.73
  6. Step 6: Final answer
    x = 10,220.91

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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.