Home / 12,193.72-18,293.16-4,295.92

Finding the Fourth Proportional to 12,193.72, 18,293.16 and 4,295.92

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Solution

The fourth proportional to 12,193.72, 18,293.16 and 4,295.92 is: 6,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.72 : 18,293.16 = 4,295.92 : x
  2. Step 2: Convert to fraction form
    12,193.72/18,293.16 = 4,295.92/x
  3. Step 3: Cross multiply
    12,193.72x = 18,293.16 × 4,295.92
  4. Step 4: Simplify right side
    12,193.72x = 78,585,951.91
  5. Step 5: Solve for x
    x = 78,585,951.91/12,193.72
  6. Step 6: Final answer
    x = 6,444.79

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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.