Home / 8,660.91-11,944.21-5,675.66

Finding the Fourth Proportional to 8,660.91, 11,944.21 and 5,675.66

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Solution

The fourth proportional to 8,660.91, 11,944.21 and 5,675.66 is: 7,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.91 : 11,944.21 = 5,675.66 : x
  2. Step 2: Convert to fraction form
    8,660.91/11,944.21 = 5,675.66/x
  3. Step 3: Cross multiply
    8,660.91x = 11,944.21 × 5,675.66
  4. Step 4: Simplify right side
    8,660.91x = 67,791,274.93
  5. Step 5: Solve for x
    x = 67,791,274.93/8,660.91
  6. Step 6: Final answer
    x = 7,827.27

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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.