Home / 11,612.18-17,419.20-6,963.91

Finding the Fourth Proportional to 11,612.18, 17,419.20 and 6,963.91

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Solution

The fourth proportional to 11,612.18, 17,419.20 and 6,963.91 is: 10,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.18 : 17,419.20 = 6,963.91 : x
  2. Step 2: Convert to fraction form
    11,612.18/17,419.20 = 6,963.91/x
  3. Step 3: Cross multiply
    11,612.18x = 17,419.20 × 6,963.91
  4. Step 4: Simplify right side
    11,612.18x = 121,305,653.98
  5. Step 5: Solve for x
    x = 121,305,653.98/11,612.18
  6. Step 6: Final answer
    x = 10,446.42

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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.