Home / 12,846.72-19,261.16-6,179.56

Finding the Fourth Proportional to 12,846.72, 19,261.16 and 6,179.56

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Solution

The fourth proportional to 12,846.72, 19,261.16 and 6,179.56 is: 9,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.72 : 19,261.16 = 6,179.56 : x
  2. Step 2: Convert to fraction form
    12,846.72/19,261.16 = 6,179.56/x
  3. Step 3: Cross multiply
    12,846.72x = 19,261.16 × 6,179.56
  4. Step 4: Simplify right side
    12,846.72x = 119,025,493.89
  5. Step 5: Solve for x
    x = 119,025,493.89/12,846.72
  6. Step 6: Final answer
    x = 9,265.05

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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.