Home / 11,934.10-16,462.81-8,104.39

Finding the Fourth Proportional to 11,934.10, 16,462.81 and 8,104.39

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Solution

The fourth proportional to 11,934.10, 16,462.81 and 8,104.39 is: 11,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.10 : 16,462.81 = 8,104.39 : x
  2. Step 2: Convert to fraction form
    11,934.10/16,462.81 = 8,104.39/x
  3. Step 3: Cross multiply
    11,934.10x = 16,462.81 × 8,104.39
  4. Step 4: Simplify right side
    11,934.10x = 133,421,032.74
  5. Step 5: Solve for x
    x = 133,421,032.74/11,934.10
  6. Step 6: Final answer
    x = 11,179.82

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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.