Home / 7,976.14-11,006.89-4,993.61

Finding the Fourth Proportional to 7,976.14, 11,006.89 and 4,993.61

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Solution

The fourth proportional to 7,976.14, 11,006.89 and 4,993.61 is: 6,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.14 : 11,006.89 = 4,993.61 : x
  2. Step 2: Convert to fraction form
    7,976.14/11,006.89 = 4,993.61/x
  3. Step 3: Cross multiply
    7,976.14x = 11,006.89 × 4,993.61
  4. Step 4: Simplify right side
    7,976.14x = 54,964,048.45
  5. Step 5: Solve for x
    x = 54,964,048.45/7,976.14
  6. Step 6: Final answer
    x = 6,891.06

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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.