Home / 8,716.13-12,028.29-4,737.28

Finding the Fourth Proportional to 8,716.13, 12,028.29 and 4,737.28

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Solution

The fourth proportional to 8,716.13, 12,028.29 and 4,737.28 is: 6,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.13 : 12,028.29 = 4,737.28 : x
  2. Step 2: Convert to fraction form
    8,716.13/12,028.29 = 4,737.28/x
  3. Step 3: Cross multiply
    8,716.13x = 12,028.29 × 4,737.28
  4. Step 4: Simplify right side
    8,716.13x = 56,981,377.65
  5. Step 5: Solve for x
    x = 56,981,377.65/8,716.13
  6. Step 6: Final answer
    x = 6,537.46

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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.