Home / 8,631.27-11,907.81-4,853.61

Finding the Fourth Proportional to 8,631.27, 11,907.81 and 4,853.61

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Solution

The fourth proportional to 8,631.27, 11,907.81 and 4,853.61 is: 6,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.27 : 11,907.81 = 4,853.61 : x
  2. Step 2: Convert to fraction form
    8,631.27/11,907.81 = 4,853.61/x
  3. Step 3: Cross multiply
    8,631.27x = 11,907.81 × 4,853.61
  4. Step 4: Simplify right side
    8,631.27x = 57,795,865.69
  5. Step 5: Solve for x
    x = 57,795,865.69/8,631.27
  6. Step 6: Final answer
    x = 6,696.10

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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.