Home / 10,620.31-15,930.62-4,046.86

Finding the Fourth Proportional to 10,620.31, 15,930.62 and 4,046.86

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Solution

The fourth proportional to 10,620.31, 15,930.62 and 4,046.86 is: 6,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.31 : 15,930.62 = 4,046.86 : x
  2. Step 2: Convert to fraction form
    10,620.31/15,930.62 = 4,046.86/x
  3. Step 3: Cross multiply
    10,620.31x = 15,930.62 × 4,046.86
  4. Step 4: Simplify right side
    10,620.31x = 64,468,888.97
  5. Step 5: Solve for x
    x = 64,468,888.97/10,620.31
  6. Step 6: Final answer
    x = 6,070.34

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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.