Home / 11,949.73-16,489.58-6,644.84

Finding the Fourth Proportional to 11,949.73, 16,489.58 and 6,644.84

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Solution

The fourth proportional to 11,949.73, 16,489.58 and 6,644.84 is: 9,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.73 : 16,489.58 = 6,644.84 : x
  2. Step 2: Convert to fraction form
    11,949.73/16,489.58 = 6,644.84/x
  3. Step 3: Cross multiply
    11,949.73x = 16,489.58 × 6,644.84
  4. Step 4: Simplify right side
    11,949.73x = 109,570,505.10
  5. Step 5: Solve for x
    x = 109,570,505.10/11,949.73
  6. Step 6: Final answer
    x = 9,169.29

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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.