Home / 7,783.14-11,668.50-2,850.03

Finding the Fourth Proportional to 7,783.14, 11,668.50 and 2,850.03

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Solution

The fourth proportional to 7,783.14, 11,668.50 and 2,850.03 is: 4,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.14 : 11,668.50 = 2,850.03 : x
  2. Step 2: Convert to fraction form
    7,783.14/11,668.50 = 2,850.03/x
  3. Step 3: Cross multiply
    7,783.14x = 11,668.50 × 2,850.03
  4. Step 4: Simplify right side
    7,783.14x = 33,255,575.06
  5. Step 5: Solve for x
    x = 33,255,575.06/7,783.14
  6. Step 6: Final answer
    x = 4,272.77

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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.