Home / 10,723.32-16,084.56-4,481.72

Finding the Fourth Proportional to 10,723.32, 16,084.56 and 4,481.72

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Solution

The fourth proportional to 10,723.32, 16,084.56 and 4,481.72 is: 6,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.32 : 16,084.56 = 4,481.72 : x
  2. Step 2: Convert to fraction form
    10,723.32/16,084.56 = 4,481.72/x
  3. Step 3: Cross multiply
    10,723.32x = 16,084.56 × 4,481.72
  4. Step 4: Simplify right side
    10,723.32x = 72,086,494.24
  5. Step 5: Solve for x
    x = 72,086,494.24/10,723.32
  6. Step 6: Final answer
    x = 6,722.40

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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.