Home / 10,481.93-15,719.55-3,460.64

Finding the Fourth Proportional to 10,481.93, 15,719.55 and 3,460.64

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Solution

The fourth proportional to 10,481.93, 15,719.55 and 3,460.64 is: 5,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.93 : 15,719.55 = 3,460.64 : x
  2. Step 2: Convert to fraction form
    10,481.93/15,719.55 = 3,460.64/x
  3. Step 3: Cross multiply
    10,481.93x = 15,719.55 × 3,460.64
  4. Step 4: Simplify right side
    10,481.93x = 54,399,624.91
  5. Step 5: Solve for x
    x = 54,399,624.91/10,481.93
  6. Step 6: Final answer
    x = 5,189.85

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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.