Home / 7,631.45-11,447.87-2,366.49

Finding the Fourth Proportional to 7,631.45, 11,447.87 and 2,366.49

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Solution

The fourth proportional to 7,631.45, 11,447.87 and 2,366.49 is: 3,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.45 : 11,447.87 = 2,366.49 : x
  2. Step 2: Convert to fraction form
    7,631.45/11,447.87 = 2,366.49/x
  3. Step 3: Cross multiply
    7,631.45x = 11,447.87 × 2,366.49
  4. Step 4: Simplify right side
    7,631.45x = 27,091,258.04
  5. Step 5: Solve for x
    x = 27,091,258.04/7,631.45
  6. Step 6: Final answer
    x = 3,549.95

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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.