Home / 11,839.15-17,754.09-4,439.58

Finding the Fourth Proportional to 11,839.15, 17,754.09 and 4,439.58

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Solution

The fourth proportional to 11,839.15, 17,754.09 and 4,439.58 is: 6,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.15 : 17,754.09 = 4,439.58 : x
  2. Step 2: Convert to fraction form
    11,839.15/17,754.09 = 4,439.58/x
  3. Step 3: Cross multiply
    11,839.15x = 17,754.09 × 4,439.58
  4. Step 4: Simplify right side
    11,839.15x = 78,820,619.66
  5. Step 5: Solve for x
    x = 78,820,619.66/11,839.15
  6. Step 6: Final answer
    x = 6,657.62

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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.