Home / 11,235.58-15,505.98-6,200.80

Finding the Fourth Proportional to 11,235.58, 15,505.98 and 6,200.80

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Solution

The fourth proportional to 11,235.58, 15,505.98 and 6,200.80 is: 8,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.58 : 15,505.98 = 6,200.80 : x
  2. Step 2: Convert to fraction form
    11,235.58/15,505.98 = 6,200.80/x
  3. Step 3: Cross multiply
    11,235.58x = 15,505.98 × 6,200.80
  4. Step 4: Simplify right side
    11,235.58x = 96,149,480.78
  5. Step 5: Solve for x
    x = 96,149,480.78/11,235.58
  6. Step 6: Final answer
    x = 8,557.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.