Home / 10,091.84-13,923.42-6,111.44

Finding the Fourth Proportional to 10,091.84, 13,923.42 and 6,111.44

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Solution

The fourth proportional to 10,091.84, 13,923.42 and 6,111.44 is: 8,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.84 : 13,923.42 = 6,111.44 : x
  2. Step 2: Convert to fraction form
    10,091.84/13,923.42 = 6,111.44/x
  3. Step 3: Cross multiply
    10,091.84x = 13,923.42 × 6,111.44
  4. Step 4: Simplify right side
    10,091.84x = 85,092,145.92
  5. Step 5: Solve for x
    x = 85,092,145.92/10,091.84
  6. Step 6: Final answer
    x = 8,431.78

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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.