Home / 7,325.35-10,991.89-3,995.99

Finding the Fourth Proportional to 7,325.35, 10,991.89 and 3,995.99

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Solution

The fourth proportional to 7,325.35, 10,991.89 and 3,995.99 is: 5,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.35 : 10,991.89 = 3,995.99 : x
  2. Step 2: Convert to fraction form
    7,325.35/10,991.89 = 3,995.99/x
  3. Step 3: Cross multiply
    7,325.35x = 10,991.89 × 3,995.99
  4. Step 4: Simplify right side
    7,325.35x = 43,923,473.78
  5. Step 5: Solve for x
    x = 43,923,473.78/7,325.35
  6. Step 6: Final answer
    x = 5,996.09

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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.