Home / 8,189.73-11,302.07-5,003.55

Finding the Fourth Proportional to 8,189.73, 11,302.07 and 5,003.55

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Solution

The fourth proportional to 8,189.73, 11,302.07 and 5,003.55 is: 6,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.73 : 11,302.07 = 5,003.55 : x
  2. Step 2: Convert to fraction form
    8,189.73/11,302.07 = 5,003.55/x
  3. Step 3: Cross multiply
    8,189.73x = 11,302.07 × 5,003.55
  4. Step 4: Simplify right side
    8,189.73x = 56,550,447.33
  5. Step 5: Solve for x
    x = 56,550,447.33/8,189.73
  6. Step 6: Final answer
    x = 6,905.04

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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.