Home / 8,327.28-11,496.96-5,188.08

Finding the Fourth Proportional to 8,327.28, 11,496.96 and 5,188.08

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Solution

The fourth proportional to 8,327.28, 11,496.96 and 5,188.08 is: 7,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.28 : 11,496.96 = 5,188.08 : x
  2. Step 2: Convert to fraction form
    8,327.28/11,496.96 = 5,188.08/x
  3. Step 3: Cross multiply
    8,327.28x = 11,496.96 × 5,188.08
  4. Step 4: Simplify right side
    8,327.28x = 59,647,148.24
  5. Step 5: Solve for x
    x = 59,647,148.24/8,327.28
  6. Step 6: Final answer
    x = 7,162.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.