Home / 8,204.03-11,321.56-4,478.03

Finding the Fourth Proportional to 8,204.03, 11,321.56 and 4,478.03

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Solution

The fourth proportional to 8,204.03, 11,321.56 and 4,478.03 is: 6,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.03 : 11,321.56 = 4,478.03 : x
  2. Step 2: Convert to fraction form
    8,204.03/11,321.56 = 4,478.03/x
  3. Step 3: Cross multiply
    8,204.03x = 11,321.56 × 4,478.03
  4. Step 4: Simplify right side
    8,204.03x = 50,698,316.27
  5. Step 5: Solve for x
    x = 50,698,316.27/8,204.03
  6. Step 6: Final answer
    x = 6,179.68

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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.