Home / 7,425.22-11,138.17-4,135.84

Finding the Fourth Proportional to 7,425.22, 11,138.17 and 4,135.84

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Solution

The fourth proportional to 7,425.22, 11,138.17 and 4,135.84 is: 6,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.22 : 11,138.17 = 4,135.84 : x
  2. Step 2: Convert to fraction form
    7,425.22/11,138.17 = 4,135.84/x
  3. Step 3: Cross multiply
    7,425.22x = 11,138.17 × 4,135.84
  4. Step 4: Simplify right side
    7,425.22x = 46,065,689.01
  5. Step 5: Solve for x
    x = 46,065,689.01/7,425.22
  6. Step 6: Final answer
    x = 6,203.95

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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.