Home / 12,211.46-16,846.80-8,233.86

Finding the Fourth Proportional to 12,211.46, 16,846.80 and 8,233.86

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Solution

The fourth proportional to 12,211.46, 16,846.80 and 8,233.86 is: 11,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.46 : 16,846.80 = 8,233.86 : x
  2. Step 2: Convert to fraction form
    12,211.46/16,846.80 = 8,233.86/x
  3. Step 3: Cross multiply
    12,211.46x = 16,846.80 × 8,233.86
  4. Step 4: Simplify right side
    12,211.46x = 138,714,192.65
  5. Step 5: Solve for x
    x = 138,714,192.65/12,211.46
  6. Step 6: Final answer
    x = 11,359.35

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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.