Home / 7,247.19-10,870.82-3,086.43

Finding the Fourth Proportional to 7,247.19, 10,870.82 and 3,086.43

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Solution

The fourth proportional to 7,247.19, 10,870.82 and 3,086.43 is: 4,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.19 : 10,870.82 = 3,086.43 : x
  2. Step 2: Convert to fraction form
    7,247.19/10,870.82 = 3,086.43/x
  3. Step 3: Cross multiply
    7,247.19x = 10,870.82 × 3,086.43
  4. Step 4: Simplify right side
    7,247.19x = 33,552,024.97
  5. Step 5: Solve for x
    x = 33,552,024.97/7,247.19
  6. Step 6: Final answer
    x = 4,629.66

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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.