Home / 7,984.53-11,969.85-3,301.62

Finding the Fourth Proportional to 7,984.53, 11,969.85 and 3,301.62

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Solution

The fourth proportional to 7,984.53, 11,969.85 and 3,301.62 is: 4,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.53 : 11,969.85 = 3,301.62 : x
  2. Step 2: Convert to fraction form
    7,984.53/11,969.85 = 3,301.62/x
  3. Step 3: Cross multiply
    7,984.53x = 11,969.85 × 3,301.62
  4. Step 4: Simplify right side
    7,984.53x = 39,519,896.16
  5. Step 5: Solve for x
    x = 39,519,896.16/7,984.53
  6. Step 6: Final answer
    x = 4,949.56

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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.