Home / 7,974.50-11,961.49-4,283.94

Finding the Fourth Proportional to 7,974.50, 11,961.49 and 4,283.94

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Solution

The fourth proportional to 7,974.50, 11,961.49 and 4,283.94 is: 6,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.50 : 11,961.49 = 4,283.94 : x
  2. Step 2: Convert to fraction form
    7,974.50/11,961.49 = 4,283.94/x
  3. Step 3: Cross multiply
    7,974.50x = 11,961.49 × 4,283.94
  4. Step 4: Simplify right side
    7,974.50x = 51,242,305.47
  5. Step 5: Solve for x
    x = 51,242,305.47/7,974.50
  6. Step 6: Final answer
    x = 6,425.77

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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.