Home / 11,183.25-15,432.89-6,470.27

Finding the Fourth Proportional to 11,183.25, 15,432.89 and 6,470.27

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Solution

The fourth proportional to 11,183.25, 15,432.89 and 6,470.27 is: 8,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.25 : 15,432.89 = 6,470.27 : x
  2. Step 2: Convert to fraction form
    11,183.25/15,432.89 = 6,470.27/x
  3. Step 3: Cross multiply
    11,183.25x = 15,432.89 × 6,470.27
  4. Step 4: Simplify right side
    11,183.25x = 99,854,855.66
  5. Step 5: Solve for x
    x = 99,854,855.66/11,183.25
  6. Step 6: Final answer
    x = 8,928.97

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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.