Home / 11,310.16-16,967.70-3,519.60

Finding the Fourth Proportional to 11,310.16, 16,967.70 and 3,519.60

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Solution

The fourth proportional to 11,310.16, 16,967.70 and 3,519.60 is: 5,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.16 : 16,967.70 = 3,519.60 : x
  2. Step 2: Convert to fraction form
    11,310.16/16,967.70 = 3,519.60/x
  3. Step 3: Cross multiply
    11,310.16x = 16,967.70 × 3,519.60
  4. Step 4: Simplify right side
    11,310.16x = 59,719,516.92
  5. Step 5: Solve for x
    x = 59,719,516.92/11,310.16
  6. Step 6: Final answer
    x = 5,280.17

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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.