Home / 7,942.54-10,958.52-4,958.86

Finding the Fourth Proportional to 7,942.54, 10,958.52 and 4,958.86

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Solution

The fourth proportional to 7,942.54, 10,958.52 and 4,958.86 is: 6,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.54 : 10,958.52 = 4,958.86 : x
  2. Step 2: Convert to fraction form
    7,942.54/10,958.52 = 4,958.86/x
  3. Step 3: Cross multiply
    7,942.54x = 10,958.52 × 4,958.86
  4. Step 4: Simplify right side
    7,942.54x = 54,341,766.49
  5. Step 5: Solve for x
    x = 54,341,766.49/7,942.54
  6. Step 6: Final answer
    x = 6,841.86

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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.