Home / 11,253.28-16,876.68-4,231.12

Finding the Fourth Proportional to 11,253.28, 16,876.68 and 4,231.12

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Solution

The fourth proportional to 11,253.28, 16,876.68 and 4,231.12 is: 6,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.28 : 16,876.68 = 4,231.12 : x
  2. Step 2: Convert to fraction form
    11,253.28/16,876.68 = 4,231.12/x
  3. Step 3: Cross multiply
    11,253.28x = 16,876.68 × 4,231.12
  4. Step 4: Simplify right side
    11,253.28x = 71,407,258.28
  5. Step 5: Solve for x
    x = 71,407,258.28/11,253.28
  6. Step 6: Final answer
    x = 6,345.46

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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.