Home / 7,745.33-11,611.47-3,359.49

Finding the Fourth Proportional to 7,745.33, 11,611.47 and 3,359.49

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Solution

The fourth proportional to 7,745.33, 11,611.47 and 3,359.49 is: 5,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.33 : 11,611.47 = 3,359.49 : x
  2. Step 2: Convert to fraction form
    7,745.33/11,611.47 = 3,359.49/x
  3. Step 3: Cross multiply
    7,745.33x = 11,611.47 × 3,359.49
  4. Step 4: Simplify right side
    7,745.33x = 39,008,579.92
  5. Step 5: Solve for x
    x = 39,008,579.92/7,745.33
  6. Step 6: Final answer
    x = 5,036.40

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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.