Home / 11,653.11-16,081.29-6,347.97

Finding the Fourth Proportional to 11,653.11, 16,081.29 and 6,347.97

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Solution

The fourth proportional to 11,653.11, 16,081.29 and 6,347.97 is: 8,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.11 : 16,081.29 = 6,347.97 : x
  2. Step 2: Convert to fraction form
    11,653.11/16,081.29 = 6,347.97/x
  3. Step 3: Cross multiply
    11,653.11x = 16,081.29 × 6,347.97
  4. Step 4: Simplify right side
    11,653.11x = 102,083,546.48
  5. Step 5: Solve for x
    x = 102,083,546.48/11,653.11
  6. Step 6: Final answer
    x = 8,760.20

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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.