Home / 12,174.26-18,261.52-4,276.96

Finding the Fourth Proportional to 12,174.26, 18,261.52 and 4,276.96

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Solution

The fourth proportional to 12,174.26, 18,261.52 and 4,276.96 is: 6,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.26 : 18,261.52 = 4,276.96 : x
  2. Step 2: Convert to fraction form
    12,174.26/18,261.52 = 4,276.96/x
  3. Step 3: Cross multiply
    12,174.26x = 18,261.52 × 4,276.96
  4. Step 4: Simplify right side
    12,174.26x = 78,103,790.58
  5. Step 5: Solve for x
    x = 78,103,790.58/12,174.26
  6. Step 6: Final answer
    x = 6,415.49

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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.