Home / 11,479.48-17,219.30-4,553.96

Finding the Fourth Proportional to 11,479.48, 17,219.30 and 4,553.96

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Solution

The fourth proportional to 11,479.48, 17,219.30 and 4,553.96 is: 6,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.48 : 17,219.30 = 4,553.96 : x
  2. Step 2: Convert to fraction form
    11,479.48/17,219.30 = 4,553.96/x
  3. Step 3: Cross multiply
    11,479.48x = 17,219.30 × 4,553.96
  4. Step 4: Simplify right side
    11,479.48x = 78,416,003.43
  5. Step 5: Solve for x
    x = 78,416,003.43/11,479.48
  6. Step 6: Final answer
    x = 6,830.97

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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.