Home / 7,731.82-11,592.68-5,091.33

Finding the Fourth Proportional to 7,731.82, 11,592.68 and 5,091.33

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Solution

The fourth proportional to 7,731.82, 11,592.68 and 5,091.33 is: 7,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.82 : 11,592.68 = 5,091.33 : x
  2. Step 2: Convert to fraction form
    7,731.82/11,592.68 = 5,091.33/x
  3. Step 3: Cross multiply
    7,731.82x = 11,592.68 × 5,091.33
  4. Step 4: Simplify right side
    7,731.82x = 59,022,172.19
  5. Step 5: Solve for x
    x = 59,022,172.19/7,731.82
  6. Step 6: Final answer
    x = 7,633.67

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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.