Home / 9,939.15-13,716.90-5,463.77

Finding the Fourth Proportional to 9,939.15, 13,716.90 and 5,463.77

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Solution

The fourth proportional to 9,939.15, 13,716.90 and 5,463.77 is: 7,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.15 : 13,716.90 = 5,463.77 : x
  2. Step 2: Convert to fraction form
    9,939.15/13,716.90 = 5,463.77/x
  3. Step 3: Cross multiply
    9,939.15x = 13,716.90 × 5,463.77
  4. Step 4: Simplify right side
    9,939.15x = 74,945,918.13
  5. Step 5: Solve for x
    x = 74,945,918.13/9,939.15
  6. Step 6: Final answer
    x = 7,540.48

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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.