Home / 11,579.13-17,358.44-5,571.72

Finding the Fourth Proportional to 11,579.13, 17,358.44 and 5,571.72

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Solution

The fourth proportional to 11,579.13, 17,358.44 and 5,571.72 is: 8,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.13 : 17,358.44 = 5,571.72 : x
  2. Step 2: Convert to fraction form
    11,579.13/17,358.44 = 5,571.72/x
  3. Step 3: Cross multiply
    11,579.13x = 17,358.44 × 5,571.72
  4. Step 4: Simplify right side
    11,579.13x = 96,716,339.46
  5. Step 5: Solve for x
    x = 96,716,339.46/11,579.13
  6. Step 6: Final answer
    x = 8,352.64

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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.