Home / 8,125.44-11,212.98-4,589.78

Finding the Fourth Proportional to 8,125.44, 11,212.98 and 4,589.78

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Solution

The fourth proportional to 8,125.44, 11,212.98 and 4,589.78 is: 6,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.44 : 11,212.98 = 4,589.78 : x
  2. Step 2: Convert to fraction form
    8,125.44/11,212.98 = 4,589.78/x
  3. Step 3: Cross multiply
    8,125.44x = 11,212.98 × 4,589.78
  4. Step 4: Simplify right side
    8,125.44x = 51,465,111.34
  5. Step 5: Solve for x
    x = 51,465,111.34/8,125.44
  6. Step 6: Final answer
    x = 6,333.82

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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.