Home / 11,917.35-17,864.41-5,675.69

Finding the Fourth Proportional to 11,917.35, 17,864.41 and 5,675.69

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Solution

The fourth proportional to 11,917.35, 17,864.41 and 5,675.69 is: 8,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.35 : 17,864.41 = 5,675.69 : x
  2. Step 2: Convert to fraction form
    11,917.35/17,864.41 = 5,675.69/x
  3. Step 3: Cross multiply
    11,917.35x = 17,864.41 × 5,675.69
  4. Step 4: Simplify right side
    11,917.35x = 101,392,853.19
  5. Step 5: Solve for x
    x = 101,392,853.19/11,917.35
  6. Step 6: Final answer
    x = 8,508.00

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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.