Home / 11,858.43-17,789.46-4,463.40

Finding the Fourth Proportional to 11,858.43, 17,789.46 and 4,463.40

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Solution

The fourth proportional to 11,858.43, 17,789.46 and 4,463.40 is: 6,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.43 : 17,789.46 = 4,463.40 : x
  2. Step 2: Convert to fraction form
    11,858.43/17,789.46 = 4,463.40/x
  3. Step 3: Cross multiply
    11,858.43x = 17,789.46 × 4,463.40
  4. Step 4: Simplify right side
    11,858.43x = 79,401,475.76
  5. Step 5: Solve for x
    x = 79,401,475.76/11,858.43
  6. Step 6: Final answer
    x = 6,695.78

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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.