Home / 8,091.98-12,137.53-2,825.36

Finding the Fourth Proportional to 8,091.98, 12,137.53 and 2,825.36

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Solution

The fourth proportional to 8,091.98, 12,137.53 and 2,825.36 is: 4,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.98 : 12,137.53 = 2,825.36 : x
  2. Step 2: Convert to fraction form
    8,091.98/12,137.53 = 2,825.36/x
  3. Step 3: Cross multiply
    8,091.98x = 12,137.53 × 2,825.36
  4. Step 4: Simplify right side
    8,091.98x = 34,292,891.76
  5. Step 5: Solve for x
    x = 34,292,891.76/8,091.98
  6. Step 6: Final answer
    x = 4,237.89

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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.