Home / 11,786.20-16,262.94-7,004.26

Finding the Fourth Proportional to 11,786.20, 16,262.94 and 7,004.26

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Solution

The fourth proportional to 11,786.20, 16,262.94 and 7,004.26 is: 9,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.20 : 16,262.94 = 7,004.26 : x
  2. Step 2: Convert to fraction form
    11,786.20/16,262.94 = 7,004.26/x
  3. Step 3: Cross multiply
    11,786.20x = 16,262.94 × 7,004.26
  4. Step 4: Simplify right side
    11,786.20x = 113,909,860.12
  5. Step 5: Solve for x
    x = 113,909,860.12/11,786.20
  6. Step 6: Final answer
    x = 9,664.68

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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.