Home / 11,925.58-16,456.11-6,619.83

Finding the Fourth Proportional to 11,925.58, 16,456.11 and 6,619.83

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Solution

The fourth proportional to 11,925.58, 16,456.11 and 6,619.83 is: 9,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.58 : 16,456.11 = 6,619.83 : x
  2. Step 2: Convert to fraction form
    11,925.58/16,456.11 = 6,619.83/x
  3. Step 3: Cross multiply
    11,925.58x = 16,456.11 × 6,619.83
  4. Step 4: Simplify right side
    11,925.58x = 108,936,650.66
  5. Step 5: Solve for x
    x = 108,936,650.66/11,925.58
  6. Step 6: Final answer
    x = 9,134.70

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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.