Home / 8,209.25-11,328.78-4,483.25

Finding the Fourth Proportional to 8,209.25, 11,328.78 and 4,483.25

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Solution

The fourth proportional to 8,209.25, 11,328.78 and 4,483.25 is: 6,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.25 : 11,328.78 = 4,483.25 : x
  2. Step 2: Convert to fraction form
    8,209.25/11,328.78 = 4,483.25/x
  3. Step 3: Cross multiply
    8,209.25x = 11,328.78 × 4,483.25
  4. Step 4: Simplify right side
    8,209.25x = 50,789,752.94
  5. Step 5: Solve for x
    x = 50,789,752.94/8,209.25
  6. Step 6: Final answer
    x = 6,186.89

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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.