Home / 8,289.43-12,427.94-5,001.75

Finding the Fourth Proportional to 8,289.43, 12,427.94 and 5,001.75

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Solution

The fourth proportional to 8,289.43, 12,427.94 and 5,001.75 is: 7,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.43 : 12,427.94 = 5,001.75 : x
  2. Step 2: Convert to fraction form
    8,289.43/12,427.94 = 5,001.75/x
  3. Step 3: Cross multiply
    8,289.43x = 12,427.94 × 5,001.75
  4. Step 4: Simplify right side
    8,289.43x = 62,161,361.75
  5. Step 5: Solve for x
    x = 62,161,361.75/8,289.43
  6. Step 6: Final answer
    x = 7,498.87

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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.