Home / 12,234.86-16,891.10-8,055.26

Finding the Fourth Proportional to 12,234.86, 16,891.10 and 8,055.26

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Solution

The fourth proportional to 12,234.86, 16,891.10 and 8,055.26 is: 11,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.86 : 16,891.10 = 8,055.26 : x
  2. Step 2: Convert to fraction form
    12,234.86/16,891.10 = 8,055.26/x
  3. Step 3: Cross multiply
    12,234.86x = 16,891.10 × 8,055.26
  4. Step 4: Simplify right side
    12,234.86x = 136,062,077.45
  5. Step 5: Solve for x
    x = 136,062,077.45/12,234.86
  6. Step 6: Final answer
    x = 11,120.86

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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.