Home / 8,493.50-11,721.73-4,716.90

Finding the Fourth Proportional to 8,493.50, 11,721.73 and 4,716.90

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Solution

The fourth proportional to 8,493.50, 11,721.73 and 4,716.90 is: 6,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.50 : 11,721.73 = 4,716.90 : x
  2. Step 2: Convert to fraction form
    8,493.50/11,721.73 = 4,716.90/x
  3. Step 3: Cross multiply
    8,493.50x = 11,721.73 × 4,716.90
  4. Step 4: Simplify right side
    8,493.50x = 55,290,228.24
  5. Step 5: Solve for x
    x = 55,290,228.24/8,493.50
  6. Step 6: Final answer
    x = 6,509.71

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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.