Home / 7,436.60-11,145.45-3,049.10

Finding the Fourth Proportional to 7,436.60, 11,145.45 and 3,049.10

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Solution

The fourth proportional to 7,436.60, 11,145.45 and 3,049.10 is: 4,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.60 : 11,145.45 = 3,049.10 : x
  2. Step 2: Convert to fraction form
    7,436.60/11,145.45 = 3,049.10/x
  3. Step 3: Cross multiply
    7,436.60x = 11,145.45 × 3,049.10
  4. Step 4: Simplify right side
    7,436.60x = 33,983,591.60
  5. Step 5: Solve for x
    x = 33,983,591.60/7,436.60
  6. Step 6: Final answer
    x = 4,569.78

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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.