Home / 12,198.67-18,297.72-5,624.84

Finding the Fourth Proportional to 12,198.67, 18,297.72 and 5,624.84

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Solution

The fourth proportional to 12,198.67, 18,297.72 and 5,624.84 is: 8,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.67 : 18,297.72 = 5,624.84 : x
  2. Step 2: Convert to fraction form
    12,198.67/18,297.72 = 5,624.84/x
  3. Step 3: Cross multiply
    12,198.67x = 18,297.72 × 5,624.84
  4. Step 4: Simplify right side
    12,198.67x = 102,921,747.36
  5. Step 5: Solve for x
    x = 102,921,747.36/12,198.67
  6. Step 6: Final answer
    x = 8,437.13

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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.