Home / 11,257.43-16,889.54-3,360.20

Finding the Fourth Proportional to 11,257.43, 16,889.54 and 3,360.20

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Solution

The fourth proportional to 11,257.43, 16,889.54 and 3,360.20 is: 5,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.43 : 16,889.54 = 3,360.20 : x
  2. Step 2: Convert to fraction form
    11,257.43/16,889.54 = 3,360.20/x
  3. Step 3: Cross multiply
    11,257.43x = 16,889.54 × 3,360.20
  4. Step 4: Simplify right side
    11,257.43x = 56,752,131.06
  5. Step 5: Solve for x
    x = 56,752,131.06/11,257.43
  6. Step 6: Final answer
    x = 5,041.31

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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.