Home / 12,257.52-18,369.88-4,458.96

Finding the Fourth Proportional to 12,257.52, 18,369.88 and 4,458.96

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Solution

The fourth proportional to 12,257.52, 18,369.88 and 4,458.96 is: 6,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.52 : 18,369.88 = 4,458.96 : x
  2. Step 2: Convert to fraction form
    12,257.52/18,369.88 = 4,458.96/x
  3. Step 3: Cross multiply
    12,257.52x = 18,369.88 × 4,458.96
  4. Step 4: Simplify right side
    12,257.52x = 81,910,560.12
  5. Step 5: Solve for x
    x = 81,910,560.12/12,257.52
  6. Step 6: Final answer
    x = 6,682.47

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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.