Home / 11,819.56-17,730.42-5,972.44

Finding the Fourth Proportional to 11,819.56, 17,730.42 and 5,972.44

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Solution

The fourth proportional to 11,819.56, 17,730.42 and 5,972.44 is: 8,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.56 : 17,730.42 = 5,972.44 : x
  2. Step 2: Convert to fraction form
    11,819.56/17,730.42 = 5,972.44/x
  3. Step 3: Cross multiply
    11,819.56x = 17,730.42 × 5,972.44
  4. Step 4: Simplify right side
    11,819.56x = 105,893,869.62
  5. Step 5: Solve for x
    x = 105,893,869.62/11,819.56
  6. Step 6: Final answer
    x = 8,959.21

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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.