Home / 11,761.15-16,230.33-6,456.06

Finding the Fourth Proportional to 11,761.15, 16,230.33 and 6,456.06

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Solution

The fourth proportional to 11,761.15, 16,230.33 and 6,456.06 is: 8,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.15 : 16,230.33 = 6,456.06 : x
  2. Step 2: Convert to fraction form
    11,761.15/16,230.33 = 6,456.06/x
  3. Step 3: Cross multiply
    11,761.15x = 16,230.33 × 6,456.06
  4. Step 4: Simplify right side
    11,761.15x = 104,783,984.30
  5. Step 5: Solve for x
    x = 104,783,984.30/11,761.15
  6. Step 6: Final answer
    x = 8,909.33

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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.