Home / 7,942.76-10,960.52-4,405.97

Finding the Fourth Proportional to 7,942.76, 10,960.52 and 4,405.97

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Solution

The fourth proportional to 7,942.76, 10,960.52 and 4,405.97 is: 6,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.76 : 10,960.52 = 4,405.97 : x
  2. Step 2: Convert to fraction form
    7,942.76/10,960.52 = 4,405.97/x
  3. Step 3: Cross multiply
    7,942.76x = 10,960.52 × 4,405.97
  4. Step 4: Simplify right side
    7,942.76x = 48,291,696.85
  5. Step 5: Solve for x
    x = 48,291,696.85/7,942.76
  6. Step 6: Final answer
    x = 6,079.97

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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.