Home / 10,502.73-15,752.70-3,107.97

Finding the Fourth Proportional to 10,502.73, 15,752.70 and 3,107.97

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Solution

The fourth proportional to 10,502.73, 15,752.70 and 3,107.97 is: 4,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.73 : 15,752.70 = 3,107.97 : x
  2. Step 2: Convert to fraction form
    10,502.73/15,752.70 = 3,107.97/x
  3. Step 3: Cross multiply
    10,502.73x = 15,752.70 × 3,107.97
  4. Step 4: Simplify right side
    10,502.73x = 48,958,919.02
  5. Step 5: Solve for x
    x = 48,958,919.02/10,502.73
  6. Step 6: Final answer
    x = 4,661.54

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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.