Home / 7,414.20-11,135.36-4,300.44

Finding the Fourth Proportional to 7,414.20, 11,135.36 and 4,300.44

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Solution

The fourth proportional to 7,414.20, 11,135.36 and 4,300.44 is: 6,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.20 : 11,135.36 = 4,300.44 : x
  2. Step 2: Convert to fraction form
    7,414.20/11,135.36 = 4,300.44/x
  3. Step 3: Cross multiply
    7,414.20x = 11,135.36 × 4,300.44
  4. Step 4: Simplify right side
    7,414.20x = 47,886,947.56
  5. Step 5: Solve for x
    x = 47,886,947.56/7,414.20
  6. Step 6: Final answer
    x = 6,458.82

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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.