Home / 12,370.82-18,555.97-3,010.89

Finding the Fourth Proportional to 12,370.82, 18,555.97 and 3,010.89

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Solution

The fourth proportional to 12,370.82, 18,555.97 and 3,010.89 is: 4,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.82 : 18,555.97 = 3,010.89 : x
  2. Step 2: Convert to fraction form
    12,370.82/18,555.97 = 3,010.89/x
  3. Step 3: Cross multiply
    12,370.82x = 18,555.97 × 3,010.89
  4. Step 4: Simplify right side
    12,370.82x = 55,869,953.65
  5. Step 5: Solve for x
    x = 55,869,953.65/12,370.82
  6. Step 6: Final answer
    x = 4,516.27

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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.