Home / 7,414.52-11,123.01-3,516.80

Finding the Fourth Proportional to 7,414.52, 11,123.01 and 3,516.80

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Solution

The fourth proportional to 7,414.52, 11,123.01 and 3,516.80 is: 5,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.52 : 11,123.01 = 3,516.80 : x
  2. Step 2: Convert to fraction form
    7,414.52/11,123.01 = 3,516.80/x
  3. Step 3: Cross multiply
    7,414.52x = 11,123.01 × 3,516.80
  4. Step 4: Simplify right side
    7,414.52x = 39,117,345.95
  5. Step 5: Solve for x
    x = 39,117,345.95/7,414.52
  6. Step 6: Final answer
    x = 5,275.78

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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.