Home / 7,803.66-11,705.37-1,960.27

Finding the Fourth Proportional to 7,803.66, 11,705.37 and 1,960.27

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Solution

The fourth proportional to 7,803.66, 11,705.37 and 1,960.27 is: 2,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.66 : 11,705.37 = 1,960.27 : x
  2. Step 2: Convert to fraction form
    7,803.66/11,705.37 = 1,960.27/x
  3. Step 3: Cross multiply
    7,803.66x = 11,705.37 × 1,960.27
  4. Step 4: Simplify right side
    7,803.66x = 22,945,685.65
  5. Step 5: Solve for x
    x = 22,945,685.65/7,803.66
  6. Step 6: Final answer
    x = 2,940.37

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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.