Home / 12,434.58-18,651.88-4,112.37

Finding the Fourth Proportional to 12,434.58, 18,651.88 and 4,112.37

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Solution

The fourth proportional to 12,434.58, 18,651.88 and 4,112.37 is: 6,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.58 : 18,651.88 = 4,112.37 : x
  2. Step 2: Convert to fraction form
    12,434.58/18,651.88 = 4,112.37/x
  3. Step 3: Cross multiply
    12,434.58x = 18,651.88 × 4,112.37
  4. Step 4: Simplify right side
    12,434.58x = 76,703,351.53
  5. Step 5: Solve for x
    x = 76,703,351.53/12,434.58
  6. Step 6: Final answer
    x = 6,168.55

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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.