Home / 8,094.82-12,141.36-2,172.30

Finding the Fourth Proportional to 8,094.82, 12,141.36 and 2,172.30

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Solution

The fourth proportional to 8,094.82, 12,141.36 and 2,172.30 is: 3,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.82 : 12,141.36 = 2,172.30 : x
  2. Step 2: Convert to fraction form
    8,094.82/12,141.36 = 2,172.30/x
  3. Step 3: Cross multiply
    8,094.82x = 12,141.36 × 2,172.30
  4. Step 4: Simplify right side
    8,094.82x = 26,374,676.33
  5. Step 5: Solve for x
    x = 26,374,676.33/8,094.82
  6. Step 6: Final answer
    x = 3,258.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.