Home / 12,624.73-18,937.37-3,859.65

Finding the Fourth Proportional to 12,624.73, 18,937.37 and 3,859.65

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Solution

The fourth proportional to 12,624.73, 18,937.37 and 3,859.65 is: 5,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.73 : 18,937.37 = 3,859.65 : x
  2. Step 2: Convert to fraction form
    12,624.73/18,937.37 = 3,859.65/x
  3. Step 3: Cross multiply
    12,624.73x = 18,937.37 × 3,859.65
  4. Step 4: Simplify right side
    12,624.73x = 73,091,648.17
  5. Step 5: Solve for x
    x = 73,091,648.17/12,624.73
  6. Step 6: Final answer
    x = 5,789.56

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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.