Home / 12,110.44-18,142.62-6,900.52

Finding the Fourth Proportional to 12,110.44, 18,142.62 and 6,900.52

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Solution

The fourth proportional to 12,110.44, 18,142.62 and 6,900.52 is: 10,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.44 : 18,142.62 = 6,900.52 : x
  2. Step 2: Convert to fraction form
    12,110.44/18,142.62 = 6,900.52/x
  3. Step 3: Cross multiply
    12,110.44x = 18,142.62 × 6,900.52
  4. Step 4: Simplify right side
    12,110.44x = 125,193,512.16
  5. Step 5: Solve for x
    x = 125,193,512.16/12,110.44
  6. Step 6: Final answer
    x = 10,337.65

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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.