Home / 10,121.75-13,967.33-5,872.94

Finding the Fourth Proportional to 10,121.75, 13,967.33 and 5,872.94

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Solution

The fourth proportional to 10,121.75, 13,967.33 and 5,872.94 is: 8,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.75 : 13,967.33 = 5,872.94 : x
  2. Step 2: Convert to fraction form
    10,121.75/13,967.33 = 5,872.94/x
  3. Step 3: Cross multiply
    10,121.75x = 13,967.33 × 5,872.94
  4. Step 4: Simplify right side
    10,121.75x = 82,029,191.85
  5. Step 5: Solve for x
    x = 82,029,191.85/10,121.75
  6. Step 6: Final answer
    x = 8,104.25

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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.