Home / 11,917.15-16,446.42-6,882.30

Finding the Fourth Proportional to 11,917.15, 16,446.42 and 6,882.30

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Solution

The fourth proportional to 11,917.15, 16,446.42 and 6,882.30 is: 9,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.15 : 16,446.42 = 6,882.30 : x
  2. Step 2: Convert to fraction form
    11,917.15/16,446.42 = 6,882.30/x
  3. Step 3: Cross multiply
    11,917.15x = 16,446.42 × 6,882.30
  4. Step 4: Simplify right side
    11,917.15x = 113,189,196.37
  5. Step 5: Solve for x
    x = 113,189,196.37/11,917.15
  6. Step 6: Final answer
    x = 9,498.01

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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.