Home / 12,434.94-18,653.38-3,550.91

Finding the Fourth Proportional to 12,434.94, 18,653.38 and 3,550.91

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Solution

The fourth proportional to 12,434.94, 18,653.38 and 3,550.91 is: 5,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.94 : 18,653.38 = 3,550.91 : x
  2. Step 2: Convert to fraction form
    12,434.94/18,653.38 = 3,550.91/x
  3. Step 3: Cross multiply
    12,434.94x = 18,653.38 × 3,550.91
  4. Step 4: Simplify right side
    12,434.94x = 66,236,371.43
  5. Step 5: Solve for x
    x = 66,236,371.43/12,434.94
  6. Step 6: Final answer
    x = 5,326.63

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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.