Home / 11,422.40-17,106.24-5,861.12

Finding the Fourth Proportional to 11,422.40, 17,106.24 and 5,861.12

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Solution

The fourth proportional to 11,422.40, 17,106.24 and 5,861.12 is: 8,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.40 : 17,106.24 = 5,861.12 : x
  2. Step 2: Convert to fraction form
    11,422.40/17,106.24 = 5,861.12/x
  3. Step 3: Cross multiply
    11,422.40x = 17,106.24 × 5,861.12
  4. Step 4: Simplify right side
    11,422.40x = 100,261,725.39
  5. Step 5: Solve for x
    x = 100,261,725.39/11,422.40
  6. Step 6: Final answer
    x = 8,777.64

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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.