Home / 11,953.89-17,930.67-5,375.43

Finding the Fourth Proportional to 11,953.89, 17,930.67 and 5,375.43

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Solution

The fourth proportional to 11,953.89, 17,930.67 and 5,375.43 is: 8,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.89 : 17,930.67 = 5,375.43 : x
  2. Step 2: Convert to fraction form
    11,953.89/17,930.67 = 5,375.43/x
  3. Step 3: Cross multiply
    11,953.89x = 17,930.67 × 5,375.43
  4. Step 4: Simplify right side
    11,953.89x = 96,385,061.44
  5. Step 5: Solve for x
    x = 96,385,061.44/11,953.89
  6. Step 6: Final answer
    x = 8,063.07

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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.