Home / 9,939.09-13,716.09-5,463.26

Finding the Fourth Proportional to 9,939.09, 13,716.09 and 5,463.26

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Solution

The fourth proportional to 9,939.09, 13,716.09 and 5,463.26 is: 7,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.09 : 13,716.09 = 5,463.26 : x
  2. Step 2: Convert to fraction form
    9,939.09/13,716.09 = 5,463.26/x
  3. Step 3: Cross multiply
    9,939.09x = 13,716.09 × 5,463.26
  4. Step 4: Simplify right side
    9,939.09x = 74,934,469.96
  5. Step 5: Solve for x
    x = 74,934,469.96/9,939.09
  6. Step 6: Final answer
    x = 7,539.37

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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.