Home / 12,063.22-18,093.39-5,139.70

Finding the Fourth Proportional to 12,063.22, 18,093.39 and 5,139.70

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Solution

The fourth proportional to 12,063.22, 18,093.39 and 5,139.70 is: 7,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.22 : 18,093.39 = 5,139.70 : x
  2. Step 2: Convert to fraction form
    12,063.22/18,093.39 = 5,139.70/x
  3. Step 3: Cross multiply
    12,063.22x = 18,093.39 × 5,139.70
  4. Step 4: Simplify right side
    12,063.22x = 92,994,596.58
  5. Step 5: Solve for x
    x = 92,994,596.58/12,063.22
  6. Step 6: Final answer
    x = 7,708.94

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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.