Home / 10,006.75-15,010.33-3,081.25

Finding the Fourth Proportional to 10,006.75, 15,010.33 and 3,081.25

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Solution

The fourth proportional to 10,006.75, 15,010.33 and 3,081.25 is: 4,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.75 : 15,010.33 = 3,081.25 : x
  2. Step 2: Convert to fraction form
    10,006.75/15,010.33 = 3,081.25/x
  3. Step 3: Cross multiply
    10,006.75x = 15,010.33 × 3,081.25
  4. Step 4: Simplify right side
    10,006.75x = 46,250,579.31
  5. Step 5: Solve for x
    x = 46,250,579.31/10,006.75
  6. Step 6: Final answer
    x = 4,621.94

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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.