Home / 10,092.90-15,128.66-3,848.88

Finding the Fourth Proportional to 10,092.90, 15,128.66 and 3,848.88

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Solution

The fourth proportional to 10,092.90, 15,128.66 and 3,848.88 is: 5,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.90 : 15,128.66 = 3,848.88 : x
  2. Step 2: Convert to fraction form
    10,092.90/15,128.66 = 3,848.88/x
  3. Step 3: Cross multiply
    10,092.90x = 15,128.66 × 3,848.88
  4. Step 4: Simplify right side
    10,092.90x = 58,228,396.90
  5. Step 5: Solve for x
    x = 58,228,396.90/10,092.90
  6. Step 6: Final answer
    x = 5,769.24

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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.