Home / 7,969.18-11,942.84-4,065.38

Finding the Fourth Proportional to 7,969.18, 11,942.84 and 4,065.38

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Solution

The fourth proportional to 7,969.18, 11,942.84 and 4,065.38 is: 6,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.18 : 11,942.84 = 4,065.38 : x
  2. Step 2: Convert to fraction form
    7,969.18/11,942.84 = 4,065.38/x
  3. Step 3: Cross multiply
    7,969.18x = 11,942.84 × 4,065.38
  4. Step 4: Simplify right side
    7,969.18x = 48,552,182.88
  5. Step 5: Solve for x
    x = 48,552,182.88/7,969.18
  6. Step 6: Final answer
    x = 6,092.49

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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.