Home / 10,479.46-15,721.68-3,084.16

Finding the Fourth Proportional to 10,479.46, 15,721.68 and 3,084.16

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Solution

The fourth proportional to 10,479.46, 15,721.68 and 3,084.16 is: 4,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.46 : 15,721.68 = 3,084.16 : x
  2. Step 2: Convert to fraction form
    10,479.46/15,721.68 = 3,084.16/x
  3. Step 3: Cross multiply
    10,479.46x = 15,721.68 × 3,084.16
  4. Step 4: Simplify right side
    10,479.46x = 48,488,176.59
  5. Step 5: Solve for x
    x = 48,488,176.59/10,479.46
  6. Step 6: Final answer
    x = 4,626.97

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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.