Home / 8,464.30-11,681.17-4,687.88

Finding the Fourth Proportional to 8,464.30, 11,681.17 and 4,687.88

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Solution

The fourth proportional to 8,464.30, 11,681.17 and 4,687.88 is: 6,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.30 : 11,681.17 = 4,687.88 : x
  2. Step 2: Convert to fraction form
    8,464.30/11,681.17 = 4,687.88/x
  3. Step 3: Cross multiply
    8,464.30x = 11,681.17 × 4,687.88
  4. Step 4: Simplify right side
    8,464.30x = 54,759,853.09
  5. Step 5: Solve for x
    x = 54,759,853.09/8,464.30
  6. Step 6: Final answer
    x = 6,469.51

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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.