Home / 8,118.91-11,205.22-4,932.27

Finding the Fourth Proportional to 8,118.91, 11,205.22 and 4,932.27

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Solution

The fourth proportional to 8,118.91, 11,205.22 and 4,932.27 is: 6,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.91 : 11,205.22 = 4,932.27 : x
  2. Step 2: Convert to fraction form
    8,118.91/11,205.22 = 4,932.27/x
  3. Step 3: Cross multiply
    8,118.91x = 11,205.22 × 4,932.27
  4. Step 4: Simplify right side
    8,118.91x = 55,267,156.66
  5. Step 5: Solve for x
    x = 55,267,156.66/8,118.91
  6. Step 6: Final answer
    x = 6,807.22

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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.