Home / 10,351.32-15,526.62-3,425.76

Finding the Fourth Proportional to 10,351.32, 15,526.62 and 3,425.76

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Solution

The fourth proportional to 10,351.32, 15,526.62 and 3,425.76 is: 5,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.32 : 15,526.62 = 3,425.76 : x
  2. Step 2: Convert to fraction form
    10,351.32/15,526.62 = 3,425.76/x
  3. Step 3: Cross multiply
    10,351.32x = 15,526.62 × 3,425.76
  4. Step 4: Simplify right side
    10,351.32x = 53,190,473.73
  5. Step 5: Solve for x
    x = 53,190,473.73/10,351.32
  6. Step 6: Final answer
    x = 5,138.52

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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.