Home / 11,634.93-17,449.38-4,238.78

Finding the Fourth Proportional to 11,634.93, 17,449.38 and 4,238.78

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Solution

The fourth proportional to 11,634.93, 17,449.38 and 4,238.78 is: 6,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.93 : 17,449.38 = 4,238.78 : x
  2. Step 2: Convert to fraction form
    11,634.93/17,449.38 = 4,238.78/x
  3. Step 3: Cross multiply
    11,634.93x = 17,449.38 × 4,238.78
  4. Step 4: Simplify right side
    11,634.93x = 73,963,995.71
  5. Step 5: Solve for x
    x = 73,963,995.71/11,634.93
  6. Step 6: Final answer
    x = 6,357.06

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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.