Home / 10,072.70-15,109.15-3,052.73

Finding the Fourth Proportional to 10,072.70, 15,109.15 and 3,052.73

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Solution

The fourth proportional to 10,072.70, 15,109.15 and 3,052.73 is: 4,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.70 : 15,109.15 = 3,052.73 : x
  2. Step 2: Convert to fraction form
    10,072.70/15,109.15 = 3,052.73/x
  3. Step 3: Cross multiply
    10,072.70x = 15,109.15 × 3,052.73
  4. Step 4: Simplify right side
    10,072.70x = 46,124,155.48
  5. Step 5: Solve for x
    x = 46,124,155.48/10,072.70
  6. Step 6: Final answer
    x = 4,579.13

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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.