Home / 11,392.72-17,089.20-4,818.04

Finding the Fourth Proportional to 11,392.72, 17,089.20 and 4,818.04

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Solution

The fourth proportional to 11,392.72, 17,089.20 and 4,818.04 is: 7,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.72 : 17,089.20 = 4,818.04 : x
  2. Step 2: Convert to fraction form
    11,392.72/17,089.20 = 4,818.04/x
  3. Step 3: Cross multiply
    11,392.72x = 17,089.20 × 4,818.04
  4. Step 4: Simplify right side
    11,392.72x = 82,336,449.17
  5. Step 5: Solve for x
    x = 82,336,449.17/11,392.72
  6. Step 6: Final answer
    x = 7,227.11

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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.