Home / 7,469.61-11,203.41-3,086.46

Finding the Fourth Proportional to 7,469.61, 11,203.41 and 3,086.46

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Solution

The fourth proportional to 7,469.61, 11,203.41 and 3,086.46 is: 4,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.61 : 11,203.41 = 3,086.46 : x
  2. Step 2: Convert to fraction form
    7,469.61/11,203.41 = 3,086.46/x
  3. Step 3: Cross multiply
    7,469.61x = 11,203.41 × 3,086.46
  4. Step 4: Simplify right side
    7,469.61x = 34,578,876.83
  5. Step 5: Solve for x
    x = 34,578,876.83/7,469.61
  6. Step 6: Final answer
    x = 4,629.27

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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.