Home / 7,850.90-11,776.75-2,007.56

Finding the Fourth Proportional to 7,850.90, 11,776.75 and 2,007.56

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Solution

The fourth proportional to 7,850.90, 11,776.75 and 2,007.56 is: 3,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.90 : 11,776.75 = 2,007.56 : x
  2. Step 2: Convert to fraction form
    7,850.90/11,776.75 = 2,007.56/x
  3. Step 3: Cross multiply
    7,850.90x = 11,776.75 × 2,007.56
  4. Step 4: Simplify right side
    7,850.90x = 23,642,468.33
  5. Step 5: Solve for x
    x = 23,642,468.33/7,850.90
  6. Step 6: Final answer
    x = 3,011.44

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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.