Home / 11,942.49-16,481.19-6,637.35

Finding the Fourth Proportional to 11,942.49, 16,481.19 and 6,637.35

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Solution

The fourth proportional to 11,942.49, 16,481.19 and 6,637.35 is: 9,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.49 : 16,481.19 = 6,637.35 : x
  2. Step 2: Convert to fraction form
    11,942.49/16,481.19 = 6,637.35/x
  3. Step 3: Cross multiply
    11,942.49x = 16,481.19 × 6,637.35
  4. Step 4: Simplify right side
    11,942.49x = 109,391,426.45
  5. Step 5: Solve for x
    x = 109,391,426.45/11,942.49
  6. Step 6: Final answer
    x = 9,159.85

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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.