Home / 11,257.20-16,895.40-5,026.80

Finding the Fourth Proportional to 11,257.20, 16,895.40 and 5,026.80

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Solution

The fourth proportional to 11,257.20, 16,895.40 and 5,026.80 is: 7,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.20 : 16,895.40 = 5,026.80 : x
  2. Step 2: Convert to fraction form
    11,257.20/16,895.40 = 5,026.80/x
  3. Step 3: Cross multiply
    11,257.20x = 16,895.40 × 5,026.80
  4. Step 4: Simplify right side
    11,257.20x = 84,929,796.72
  5. Step 5: Solve for x
    x = 84,929,796.72/11,257.20
  6. Step 6: Final answer
    x = 7,544.49

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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.