Home / 7,633.68-11,450.52-2,439.60

Finding the Fourth Proportional to 7,633.68, 11,450.52 and 2,439.60

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Solution

The fourth proportional to 7,633.68, 11,450.52 and 2,439.60 is: 3,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.68 : 11,450.52 = 2,439.60 : x
  2. Step 2: Convert to fraction form
    7,633.68/11,450.52 = 2,439.60/x
  3. Step 3: Cross multiply
    7,633.68x = 11,450.52 × 2,439.60
  4. Step 4: Simplify right side
    7,633.68x = 27,934,688.59
  5. Step 5: Solve for x
    x = 27,934,688.59/7,633.68
  6. Step 6: Final answer
    x = 3,659.40

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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.