Home / 9,193.36-13,786.70-3,928.73

Finding the Fourth Proportional to 9,193.36, 13,786.70 and 3,928.73

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Solution

The fourth proportional to 9,193.36, 13,786.70 and 3,928.73 is: 5,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.36 : 13,786.70 = 3,928.73 : x
  2. Step 2: Convert to fraction form
    9,193.36/13,786.70 = 3,928.73/x
  3. Step 3: Cross multiply
    9,193.36x = 13,786.70 × 3,928.73
  4. Step 4: Simplify right side
    9,193.36x = 54,164,221.89
  5. Step 5: Solve for x
    x = 54,164,221.89/9,193.36
  6. Step 6: Final answer
    x = 5,891.67

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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.