Home / 9,923.79-13,694.87-5,447.62

Finding the Fourth Proportional to 9,923.79, 13,694.87 and 5,447.62

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Solution

The fourth proportional to 9,923.79, 13,694.87 and 5,447.62 is: 7,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.79 : 13,694.87 = 5,447.62 : x
  2. Step 2: Convert to fraction form
    9,923.79/13,694.87 = 5,447.62/x
  3. Step 3: Cross multiply
    9,923.79x = 13,694.87 × 5,447.62
  4. Step 4: Simplify right side
    9,923.79x = 74,604,420.67
  5. Step 5: Solve for x
    x = 74,604,420.67/9,923.79
  6. Step 6: Final answer
    x = 7,517.73

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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.