Home / 11,772.32-16,245.56-6,467.12

Finding the Fourth Proportional to 11,772.32, 16,245.56 and 6,467.12

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Solution

The fourth proportional to 11,772.32, 16,245.56 and 6,467.12 is: 8,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.32 : 16,245.56 = 6,467.12 : x
  2. Step 2: Convert to fraction form
    11,772.32/16,245.56 = 6,467.12/x
  3. Step 3: Cross multiply
    11,772.32x = 16,245.56 × 6,467.12
  4. Step 4: Simplify right side
    11,772.32x = 105,061,985.99
  5. Step 5: Solve for x
    x = 105,061,985.99/11,772.32
  6. Step 6: Final answer
    x = 8,924.49

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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.