Home / 7,818.41-11,728.73-2,552.12

Finding the Fourth Proportional to 7,818.41, 11,728.73 and 2,552.12

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Solution

The fourth proportional to 7,818.41, 11,728.73 and 2,552.12 is: 3,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.41 : 11,728.73 = 2,552.12 : x
  2. Step 2: Convert to fraction form
    7,818.41/11,728.73 = 2,552.12/x
  3. Step 3: Cross multiply
    7,818.41x = 11,728.73 × 2,552.12
  4. Step 4: Simplify right side
    7,818.41x = 29,933,055.00
  5. Step 5: Solve for x
    x = 29,933,055.00/7,818.41
  6. Step 6: Final answer
    x = 3,828.54

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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.