Home / 11,152.38-16,730.73-4,231.74

Finding the Fourth Proportional to 11,152.38, 16,730.73 and 4,231.74

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Solution

The fourth proportional to 11,152.38, 16,730.73 and 4,231.74 is: 6,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.38 : 16,730.73 = 4,231.74 : x
  2. Step 2: Convert to fraction form
    11,152.38/16,730.73 = 4,231.74/x
  3. Step 3: Cross multiply
    11,152.38x = 16,730.73 × 4,231.74
  4. Step 4: Simplify right side
    11,152.38x = 70,800,099.37
  5. Step 5: Solve for x
    x = 70,800,099.37/11,152.38
  6. Step 6: Final answer
    x = 6,348.43

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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.