Home / 9,939.96-13,717.08-5,961.24

Finding the Fourth Proportional to 9,939.96, 13,717.08 and 5,961.24

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Solution

The fourth proportional to 9,939.96, 13,717.08 and 5,961.24 is: 8,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.96 : 13,717.08 = 5,961.24 : x
  2. Step 2: Convert to fraction form
    9,939.96/13,717.08 = 5,961.24/x
  3. Step 3: Cross multiply
    9,939.96x = 13,717.08 × 5,961.24
  4. Step 4: Simplify right side
    9,939.96x = 81,770,805.98
  5. Step 5: Solve for x
    x = 81,770,805.98/9,939.96
  6. Step 6: Final answer
    x = 8,226.47

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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.