Home / 12,252.33-18,379.31-5,228.42

Finding the Fourth Proportional to 12,252.33, 18,379.31 and 5,228.42

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Solution

The fourth proportional to 12,252.33, 18,379.31 and 5,228.42 is: 7,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.33 : 18,379.31 = 5,228.42 : x
  2. Step 2: Convert to fraction form
    12,252.33/18,379.31 = 5,228.42/x
  3. Step 3: Cross multiply
    12,252.33x = 18,379.31 × 5,228.42
  4. Step 4: Simplify right side
    12,252.33x = 96,094,633.95
  5. Step 5: Solve for x
    x = 96,094,633.95/12,252.33
  6. Step 6: Final answer
    x = 7,842.97

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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.