Home / 11,754.06-16,221.04-6,976.48

Finding the Fourth Proportional to 11,754.06, 16,221.04 and 6,976.48

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Solution

The fourth proportional to 11,754.06, 16,221.04 and 6,976.48 is: 9,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.06 : 16,221.04 = 6,976.48 : x
  2. Step 2: Convert to fraction form
    11,754.06/16,221.04 = 6,976.48/x
  3. Step 3: Cross multiply
    11,754.06x = 16,221.04 × 6,976.48
  4. Step 4: Simplify right side
    11,754.06x = 113,165,761.14
  5. Step 5: Solve for x
    x = 113,165,761.14/11,754.06
  6. Step 6: Final answer
    x = 9,627.80

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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.