Home / 11,255.49-16,872.42-7,558.75

Finding the Fourth Proportional to 11,255.49, 16,872.42 and 7,558.75

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Solution

The fourth proportional to 11,255.49, 16,872.42 and 7,558.75 is: 11,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.49 : 16,872.42 = 7,558.75 : x
  2. Step 2: Convert to fraction form
    11,255.49/16,872.42 = 7,558.75/x
  3. Step 3: Cross multiply
    11,255.49x = 16,872.42 × 7,558.75
  4. Step 4: Simplify right side
    11,255.49x = 127,534,366.88
  5. Step 5: Solve for x
    x = 127,534,366.88/11,255.49
  6. Step 6: Final answer
    x = 11,330.86

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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.