Home / 8,443.10-12,664.66-2,203.11

Finding the Fourth Proportional to 8,443.10, 12,664.66 and 2,203.11

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Solution

The fourth proportional to 8,443.10, 12,664.66 and 2,203.11 is: 3,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.10 : 12,664.66 = 2,203.11 : x
  2. Step 2: Convert to fraction form
    8,443.10/12,664.66 = 2,203.11/x
  3. Step 3: Cross multiply
    8,443.10x = 12,664.66 × 2,203.11
  4. Step 4: Simplify right side
    8,443.10x = 27,901,607.43
  5. Step 5: Solve for x
    x = 27,901,607.43/8,443.10
  6. Step 6: Final answer
    x = 3,304.66

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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.