Home / 10,072.60-15,108.20-3,052.82

Finding the Fourth Proportional to 10,072.60, 15,108.20 and 3,052.82

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Solution

The fourth proportional to 10,072.60, 15,108.20 and 3,052.82 is: 4,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.60 : 15,108.20 = 3,052.82 : x
  2. Step 2: Convert to fraction form
    10,072.60/15,108.20 = 3,052.82/x
  3. Step 3: Cross multiply
    10,072.60x = 15,108.20 × 3,052.82
  4. Step 4: Simplify right side
    10,072.60x = 46,122,615.12
  5. Step 5: Solve for x
    x = 46,122,615.12/10,072.60
  6. Step 6: Final answer
    x = 4,579.02

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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.