Home / 11,933.15-16,467.50-6,627.78

Finding the Fourth Proportional to 11,933.15, 16,467.50 and 6,627.78

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Solution

The fourth proportional to 11,933.15, 16,467.50 and 6,627.78 is: 9,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.15 : 16,467.50 = 6,627.78 : x
  2. Step 2: Convert to fraction form
    11,933.15/16,467.50 = 6,627.78/x
  3. Step 3: Cross multiply
    11,933.15x = 16,467.50 × 6,627.78
  4. Step 4: Simplify right side
    11,933.15x = 109,142,983.72
  5. Step 5: Solve for x
    x = 109,142,983.72/11,933.15
  6. Step 6: Final answer
    x = 9,146.20

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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.