Home / 8,003.09-11,043.57-5,170.60

Finding the Fourth Proportional to 8,003.09, 11,043.57 and 5,170.60

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Solution

The fourth proportional to 8,003.09, 11,043.57 and 5,170.60 is: 7,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.09 : 11,043.57 = 5,170.60 : x
  2. Step 2: Convert to fraction form
    8,003.09/11,043.57 = 5,170.60/x
  3. Step 3: Cross multiply
    8,003.09x = 11,043.57 × 5,170.60
  4. Step 4: Simplify right side
    8,003.09x = 57,101,883.04
  5. Step 5: Solve for x
    x = 57,101,883.04/8,003.09
  6. Step 6: Final answer
    x = 7,134.98

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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.