Home / 7,968.87-11,001.96-5,137.25

Finding the Fourth Proportional to 7,968.87, 11,001.96 and 5,137.25

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Solution

The fourth proportional to 7,968.87, 11,001.96 and 5,137.25 is: 7,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.87 : 11,001.96 = 5,137.25 : x
  2. Step 2: Convert to fraction form
    7,968.87/11,001.96 = 5,137.25/x
  3. Step 3: Cross multiply
    7,968.87x = 11,001.96 × 5,137.25
  4. Step 4: Simplify right side
    7,968.87x = 56,519,819.01
  5. Step 5: Solve for x
    x = 56,519,819.01/7,968.87
  6. Step 6: Final answer
    x = 7,092.58

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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.