Home / 10,616.30-14,648.36-6,138.42

Finding the Fourth Proportional to 10,616.30, 14,648.36 and 6,138.42

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Solution

The fourth proportional to 10,616.30, 14,648.36 and 6,138.42 is: 8,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.30 : 14,648.36 = 6,138.42 : x
  2. Step 2: Convert to fraction form
    10,616.30/14,648.36 = 6,138.42/x
  3. Step 3: Cross multiply
    10,616.30x = 14,648.36 × 6,138.42
  4. Step 4: Simplify right side
    10,616.30x = 89,917,785.99
  5. Step 5: Solve for x
    x = 89,917,785.99/10,616.30
  6. Step 6: Final answer
    x = 8,469.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.