Home / 6,929.70-9,563.21-3,786.09

Finding the Fourth Proportional to 6,929.70, 9,563.21 and 3,786.09

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Solution

The fourth proportional to 6,929.70, 9,563.21 and 3,786.09 is: 5,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.70 : 9,563.21 = 3,786.09 : x
  2. Step 2: Convert to fraction form
    6,929.70/9,563.21 = 3,786.09/x
  3. Step 3: Cross multiply
    6,929.70x = 9,563.21 × 3,786.09
  4. Step 4: Simplify right side
    6,929.70x = 36,207,173.75
  5. Step 5: Solve for x
    x = 36,207,173.75/6,929.70
  6. Step 6: Final answer
    x = 5,224.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.