Home / 9,716.48-14,572.20-2,789.36

Finding the Fourth Proportional to 9,716.48, 14,572.20 and 2,789.36

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Solution

The fourth proportional to 9,716.48, 14,572.20 and 2,789.36 is: 4,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.48 : 14,572.20 = 2,789.36 : x
  2. Step 2: Convert to fraction form
    9,716.48/14,572.20 = 2,789.36/x
  3. Step 3: Cross multiply
    9,716.48x = 14,572.20 × 2,789.36
  4. Step 4: Simplify right side
    9,716.48x = 40,647,111.79
  5. Step 5: Solve for x
    x = 40,647,111.79/9,716.48
  6. Step 6: Final answer
    x = 4,183.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.