Home / 11,275.24-16,917.18-4,254.76

Finding the Fourth Proportional to 11,275.24, 16,917.18 and 4,254.76

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Solution

The fourth proportional to 11,275.24, 16,917.18 and 4,254.76 is: 6,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.24 : 16,917.18 = 4,254.76 : x
  2. Step 2: Convert to fraction form
    11,275.24/16,917.18 = 4,254.76/x
  3. Step 3: Cross multiply
    11,275.24x = 16,917.18 × 4,254.76
  4. Step 4: Simplify right side
    11,275.24x = 71,978,540.78
  5. Step 5: Solve for x
    x = 71,978,540.78/11,275.24
  6. Step 6: Final answer
    x = 6,383.77

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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.