Home / 7,436.11-10,261.70-4,078.95

Finding the Fourth Proportional to 7,436.11, 10,261.70 and 4,078.95

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Solution

The fourth proportional to 7,436.11, 10,261.70 and 4,078.95 is: 5,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.11 : 10,261.70 = 4,078.95 : x
  2. Step 2: Convert to fraction form
    7,436.11/10,261.70 = 4,078.95/x
  3. Step 3: Cross multiply
    7,436.11x = 10,261.70 × 4,078.95
  4. Step 4: Simplify right side
    7,436.11x = 41,856,961.22
  5. Step 5: Solve for x
    x = 41,856,961.22/7,436.11
  6. Step 6: Final answer
    x = 5,628.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.