Home / 7,439.22-11,160.31-2,174.24

Finding the Fourth Proportional to 7,439.22, 11,160.31 and 2,174.24

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Solution

The fourth proportional to 7,439.22, 11,160.31 and 2,174.24 is: 3,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.22 : 11,160.31 = 2,174.24 : x
  2. Step 2: Convert to fraction form
    7,439.22/11,160.31 = 2,174.24/x
  3. Step 3: Cross multiply
    7,439.22x = 11,160.31 × 2,174.24
  4. Step 4: Simplify right side
    7,439.22x = 24,265,212.84
  5. Step 5: Solve for x
    x = 24,265,212.84/7,439.22
  6. Step 6: Final answer
    x = 3,261.80

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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.