Home / 11,772.45-16,245.45-6,467.34

Finding the Fourth Proportional to 11,772.45, 16,245.45 and 6,467.34

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Solution

The fourth proportional to 11,772.45, 16,245.45 and 6,467.34 is: 8,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.45 : 16,245.45 = 6,467.34 : x
  2. Step 2: Convert to fraction form
    11,772.45/16,245.45 = 6,467.34/x
  3. Step 3: Cross multiply
    11,772.45x = 16,245.45 × 6,467.34
  4. Step 4: Simplify right side
    11,772.45x = 105,064,848.60
  5. Step 5: Solve for x
    x = 105,064,848.60/11,772.45
  6. Step 6: Final answer
    x = 8,924.64

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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.