Home / 12,108.06-18,150.96-6,252.38

Finding the Fourth Proportional to 12,108.06, 18,150.96 and 6,252.38

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Solution

The fourth proportional to 12,108.06, 18,150.96 and 6,252.38 is: 9,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.06 : 18,150.96 = 6,252.38 : x
  2. Step 2: Convert to fraction form
    12,108.06/18,150.96 = 6,252.38/x
  3. Step 3: Cross multiply
    12,108.06x = 18,150.96 × 6,252.38
  4. Step 4: Simplify right side
    12,108.06x = 113,486,699.28
  5. Step 5: Solve for x
    x = 113,486,699.28/12,108.06
  6. Step 6: Final answer
    x = 9,372.82

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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.