Home / 11,967.62-17,945.39-6,971.58

Finding the Fourth Proportional to 11,967.62, 17,945.39 and 6,971.58

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Solution

The fourth proportional to 11,967.62, 17,945.39 and 6,971.58 is: 10,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.62 : 17,945.39 = 6,971.58 : x
  2. Step 2: Convert to fraction form
    11,967.62/17,945.39 = 6,971.58/x
  3. Step 3: Cross multiply
    11,967.62x = 17,945.39 × 6,971.58
  4. Step 4: Simplify right side
    11,967.62x = 125,107,739.45
  5. Step 5: Solve for x
    x = 125,107,739.45/11,967.62
  6. Step 6: Final answer
    x = 10,453.86

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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.