Home / 10,319.48-15,481.37-4,694.48

Finding the Fourth Proportional to 10,319.48, 15,481.37 and 4,694.48

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Solution

The fourth proportional to 10,319.48, 15,481.37 and 4,694.48 is: 7,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.48 : 15,481.37 = 4,694.48 : x
  2. Step 2: Convert to fraction form
    10,319.48/15,481.37 = 4,694.48/x
  3. Step 3: Cross multiply
    10,319.48x = 15,481.37 × 4,694.48
  4. Step 4: Simplify right side
    10,319.48x = 72,676,880.96
  5. Step 5: Solve for x
    x = 72,676,880.96/10,319.48
  6. Step 6: Final answer
    x = 7,042.69

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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.