Home / 11,215.96-16,824.58-5,662.80

Finding the Fourth Proportional to 11,215.96, 16,824.58 and 5,662.80

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Solution

The fourth proportional to 11,215.96, 16,824.58 and 5,662.80 is: 8,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.96 : 16,824.58 = 5,662.80 : x
  2. Step 2: Convert to fraction form
    11,215.96/16,824.58 = 5,662.80/x
  3. Step 3: Cross multiply
    11,215.96x = 16,824.58 × 5,662.80
  4. Step 4: Simplify right side
    11,215.96x = 95,274,217.47
  5. Step 5: Solve for x
    x = 95,274,217.47/11,215.96
  6. Step 6: Final answer
    x = 8,494.52

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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.