Home / 7,986.92-11,022.28-4,450.13

Finding the Fourth Proportional to 7,986.92, 11,022.28 and 4,450.13

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Solution

The fourth proportional to 7,986.92, 11,022.28 and 4,450.13 is: 6,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.92 : 11,022.28 = 4,450.13 : x
  2. Step 2: Convert to fraction form
    7,986.92/11,022.28 = 4,450.13/x
  3. Step 3: Cross multiply
    7,986.92x = 11,022.28 × 4,450.13
  4. Step 4: Simplify right side
    7,986.92x = 49,050,512.66
  5. Step 5: Solve for x
    x = 49,050,512.66/7,986.92
  6. Step 6: Final answer
    x = 6,141.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.