Home / 12,096.22-18,138.86-4,305.24

Finding the Fourth Proportional to 12,096.22, 18,138.86 and 4,305.24

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Solution

The fourth proportional to 12,096.22, 18,138.86 and 4,305.24 is: 6,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.22 : 18,138.86 = 4,305.24 : x
  2. Step 2: Convert to fraction form
    12,096.22/18,138.86 = 4,305.24/x
  3. Step 3: Cross multiply
    12,096.22x = 18,138.86 × 4,305.24
  4. Step 4: Simplify right side
    12,096.22x = 78,092,145.63
  5. Step 5: Solve for x
    x = 78,092,145.63/12,096.22
  6. Step 6: Final answer
    x = 6,455.91

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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.