Home / 12,150.34-16,768.20-8,110.24

Finding the Fourth Proportional to 12,150.34, 16,768.20 and 8,110.24

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Solution

The fourth proportional to 12,150.34, 16,768.20 and 8,110.24 is: 11,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.34 : 16,768.20 = 8,110.24 : x
  2. Step 2: Convert to fraction form
    12,150.34/16,768.20 = 8,110.24/x
  3. Step 3: Cross multiply
    12,150.34x = 16,768.20 × 8,110.24
  4. Step 4: Simplify right side
    12,150.34x = 135,994,126.37
  5. Step 5: Solve for x
    x = 135,994,126.37/12,150.34
  6. Step 6: Final answer
    x = 11,192.62

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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.