Home / 11,474.79-17,212.20-7,310.60

Finding the Fourth Proportional to 11,474.79, 17,212.20 and 7,310.60

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Solution

The fourth proportional to 11,474.79, 17,212.20 and 7,310.60 is: 10,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.79 : 17,212.20 = 7,310.60 : x
  2. Step 2: Convert to fraction form
    11,474.79/17,212.20 = 7,310.60/x
  3. Step 3: Cross multiply
    11,474.79x = 17,212.20 × 7,310.60
  4. Step 4: Simplify right side
    11,474.79x = 125,831,557.21
  5. Step 5: Solve for x
    x = 125,831,557.21/11,474.79
  6. Step 6: Final answer
    x = 10,965.91

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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.