Home / 11,874.28-17,819.36-6,331.44

Finding the Fourth Proportional to 11,874.28, 17,819.36 and 6,331.44

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Solution

The fourth proportional to 11,874.28, 17,819.36 and 6,331.44 is: 9,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.28 : 17,819.36 = 6,331.44 : x
  2. Step 2: Convert to fraction form
    11,874.28/17,819.36 = 6,331.44/x
  3. Step 3: Cross multiply
    11,874.28x = 17,819.36 × 6,331.44
  4. Step 4: Simplify right side
    11,874.28x = 112,822,208.68
  5. Step 5: Solve for x
    x = 112,822,208.68/11,874.28
  6. Step 6: Final answer
    x = 9,501.39

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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.