Home / 7,859.22-11,783.85-3,696.54

Finding the Fourth Proportional to 7,859.22, 11,783.85 and 3,696.54

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Solution

The fourth proportional to 7,859.22, 11,783.85 and 3,696.54 is: 5,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.22 : 11,783.85 = 3,696.54 : x
  2. Step 2: Convert to fraction form
    7,859.22/11,783.85 = 3,696.54/x
  3. Step 3: Cross multiply
    7,859.22x = 11,783.85 × 3,696.54
  4. Step 4: Simplify right side
    7,859.22x = 43,559,472.88
  5. Step 5: Solve for x
    x = 43,559,472.88/7,859.22
  6. Step 6: Final answer
    x = 5,542.47

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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.