Home / 11,718.62-16,177.56-7,961.66

Finding the Fourth Proportional to 11,718.62, 16,177.56 and 7,961.66

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Solution

The fourth proportional to 11,718.62, 16,177.56 and 7,961.66 is: 10,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.62 : 16,177.56 = 7,961.66 : x
  2. Step 2: Convert to fraction form
    11,718.62/16,177.56 = 7,961.66/x
  3. Step 3: Cross multiply
    11,718.62x = 16,177.56 × 7,961.66
  4. Step 4: Simplify right side
    11,718.62x = 128,800,232.35
  5. Step 5: Solve for x
    x = 128,800,232.35/11,718.62
  6. Step 6: Final answer
    x = 10,991.08

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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.