Home / 7,414.88-11,124.14-2,220.75

Finding the Fourth Proportional to 7,414.88, 11,124.14 and 2,220.75

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Solution

The fourth proportional to 7,414.88, 11,124.14 and 2,220.75 is: 3,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.88 : 11,124.14 = 2,220.75 : x
  2. Step 2: Convert to fraction form
    7,414.88/11,124.14 = 2,220.75/x
  3. Step 3: Cross multiply
    7,414.88x = 11,124.14 × 2,220.75
  4. Step 4: Simplify right side
    7,414.88x = 24,703,922.80
  5. Step 5: Solve for x
    x = 24,703,922.80/7,414.88
  6. Step 6: Final answer
    x = 3,331.67

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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.