Home / 11,943.24-16,481.94-6,637.86

Finding the Fourth Proportional to 11,943.24, 16,481.94 and 6,637.86

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Solution

The fourth proportional to 11,943.24, 16,481.94 and 6,637.86 is: 9,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.24 : 16,481.94 = 6,637.86 : x
  2. Step 2: Convert to fraction form
    11,943.24/16,481.94 = 6,637.86/x
  3. Step 3: Cross multiply
    11,943.24x = 16,481.94 × 6,637.86
  4. Step 4: Simplify right side
    11,943.24x = 109,404,810.25
  5. Step 5: Solve for x
    x = 109,404,810.25/11,943.24
  6. Step 6: Final answer
    x = 9,160.40

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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.