Home / 11,917.93-16,447.52-6,882.36

Finding the Fourth Proportional to 11,917.93, 16,447.52 and 6,882.36

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Solution

The fourth proportional to 11,917.93, 16,447.52 and 6,882.36 is: 9,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.93 : 16,447.52 = 6,882.36 : x
  2. Step 2: Convert to fraction form
    11,917.93/16,447.52 = 6,882.36/x
  3. Step 3: Cross multiply
    11,917.93x = 16,447.52 × 6,882.36
  4. Step 4: Simplify right side
    11,917.93x = 113,197,753.75
  5. Step 5: Solve for x
    x = 113,197,753.75/11,917.93
  6. Step 6: Final answer
    x = 9,498.11

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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.