Home / 11,249.52-16,872.84-3,458.16

Finding the Fourth Proportional to 11,249.52, 16,872.84 and 3,458.16

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Solution

The fourth proportional to 11,249.52, 16,872.84 and 3,458.16 is: 5,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.52 : 16,872.84 = 3,458.16 : x
  2. Step 2: Convert to fraction form
    11,249.52/16,872.84 = 3,458.16/x
  3. Step 3: Cross multiply
    11,249.52x = 16,872.84 × 3,458.16
  4. Step 4: Simplify right side
    11,249.52x = 58,348,980.37
  5. Step 5: Solve for x
    x = 58,348,980.37/11,249.52
  6. Step 6: Final answer
    x = 5,186.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.