Home / 11,812.62-17,719.94-4,798.50

Finding the Fourth Proportional to 11,812.62, 17,719.94 and 4,798.50

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Solution

The fourth proportional to 11,812.62, 17,719.94 and 4,798.50 is: 7,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.62 : 17,719.94 = 4,798.50 : x
  2. Step 2: Convert to fraction form
    11,812.62/17,719.94 = 4,798.50/x
  3. Step 3: Cross multiply
    11,812.62x = 17,719.94 × 4,798.50
  4. Step 4: Simplify right side
    11,812.62x = 85,029,132.09
  5. Step 5: Solve for x
    x = 85,029,132.09/11,812.62
  6. Step 6: Final answer
    x = 7,198.16

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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.