Home / 10,071.66-15,105.20-3,829.46

Finding the Fourth Proportional to 10,071.66, 15,105.20 and 3,829.46

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Solution

The fourth proportional to 10,071.66, 15,105.20 and 3,829.46 is: 5,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.66 : 15,105.20 = 3,829.46 : x
  2. Step 2: Convert to fraction form
    10,071.66/15,105.20 = 3,829.46/x
  3. Step 3: Cross multiply
    10,071.66x = 15,105.20 × 3,829.46
  4. Step 4: Simplify right side
    10,071.66x = 57,844,693.24
  5. Step 5: Solve for x
    x = 57,844,693.24/10,071.66
  6. Step 6: Final answer
    x = 5,743.31

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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.