Home / 8,173.09-11,278.78-4,636.27

Finding the Fourth Proportional to 8,173.09, 11,278.78 and 4,636.27

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Solution

The fourth proportional to 8,173.09, 11,278.78 and 4,636.27 is: 6,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.09 : 11,278.78 = 4,636.27 : x
  2. Step 2: Convert to fraction form
    8,173.09/11,278.78 = 4,636.27/x
  3. Step 3: Cross multiply
    8,173.09x = 11,278.78 × 4,636.27
  4. Step 4: Simplify right side
    8,173.09x = 52,291,469.35
  5. Step 5: Solve for x
    x = 52,291,469.35/8,173.09
  6. Step 6: Final answer
    x = 6,398.00

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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.