Home / 7,414.14-11,122.43-3,516.42

Finding the Fourth Proportional to 7,414.14, 11,122.43 and 3,516.42

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Solution

The fourth proportional to 7,414.14, 11,122.43 and 3,516.42 is: 5,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.14 : 11,122.43 = 3,516.42 : x
  2. Step 2: Convert to fraction form
    7,414.14/11,122.43 = 3,516.42/x
  3. Step 3: Cross multiply
    7,414.14x = 11,122.43 × 3,516.42
  4. Step 4: Simplify right side
    7,414.14x = 39,111,117.72
  5. Step 5: Solve for x
    x = 39,111,117.72/7,414.14
  6. Step 6: Final answer
    x = 5,275.21

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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.