Home / 7,910.72-11,866.08-2,067.34

Finding the Fourth Proportional to 7,910.72, 11,866.08 and 2,067.34

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Solution

The fourth proportional to 7,910.72, 11,866.08 and 2,067.34 is: 3,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.72 : 11,866.08 = 2,067.34 : x
  2. Step 2: Convert to fraction form
    7,910.72/11,866.08 = 2,067.34/x
  3. Step 3: Cross multiply
    7,910.72x = 11,866.08 × 2,067.34
  4. Step 4: Simplify right side
    7,910.72x = 24,531,162.50
  5. Step 5: Solve for x
    x = 24,531,162.50/7,910.72
  6. Step 6: Final answer
    x = 3,101.00

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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.