Home / 9,939.46-13,716.60-5,463.62

Finding the Fourth Proportional to 9,939.46, 13,716.60 and 5,463.62

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Solution

The fourth proportional to 9,939.46, 13,716.60 and 5,463.62 is: 7,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.46 : 13,716.60 = 5,463.62 : x
  2. Step 2: Convert to fraction form
    9,939.46/13,716.60 = 5,463.62/x
  3. Step 3: Cross multiply
    9,939.46x = 13,716.60 × 5,463.62
  4. Step 4: Simplify right side
    9,939.46x = 74,942,290.09
  5. Step 5: Solve for x
    x = 74,942,290.09/9,939.46
  6. Step 6: Final answer
    x = 7,539.88

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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.