Home / 11,516.30-17,276.26-3,618.20

Finding the Fourth Proportional to 11,516.30, 17,276.26 and 3,618.20

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Solution

The fourth proportional to 11,516.30, 17,276.26 and 3,618.20 is: 5,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.30 : 17,276.26 = 3,618.20 : x
  2. Step 2: Convert to fraction form
    11,516.30/17,276.26 = 3,618.20/x
  3. Step 3: Cross multiply
    11,516.30x = 17,276.26 × 3,618.20
  4. Step 4: Simplify right side
    11,516.30x = 62,508,963.93
  5. Step 5: Solve for x
    x = 62,508,963.93/11,516.30
  6. Step 6: Final answer
    x = 5,427.87

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1.5x scale

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.