Home / 8,644.49-12,955.80-5,523.29

Finding the Fourth Proportional to 8,644.49, 12,955.80 and 5,523.29

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Solution

The fourth proportional to 8,644.49, 12,955.80 and 5,523.29 is: 8,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.49 : 12,955.80 = 5,523.29 : x
  2. Step 2: Convert to fraction form
    8,644.49/12,955.80 = 5,523.29/x
  3. Step 3: Cross multiply
    8,644.49x = 12,955.80 × 5,523.29
  4. Step 4: Simplify right side
    8,644.49x = 71,558,640.58
  5. Step 5: Solve for x
    x = 71,558,640.58/8,644.49
  6. Step 6: Final answer
    x = 8,277.95

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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.