Home / 11,976.72-17,965.50-6,126.48

Finding the Fourth Proportional to 11,976.72, 17,965.50 and 6,126.48

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Solution

The fourth proportional to 11,976.72, 17,965.50 and 6,126.48 is: 9,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.72 : 17,965.50 = 6,126.48 : x
  2. Step 2: Convert to fraction form
    11,976.72/17,965.50 = 6,126.48/x
  3. Step 3: Cross multiply
    11,976.72x = 17,965.50 × 6,126.48
  4. Step 4: Simplify right side
    11,976.72x = 110,065,276.44
  5. Step 5: Solve for x
    x = 110,065,276.44/11,976.72
  6. Step 6: Final answer
    x = 9,189.93

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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.