Home / 11,772.72-16,246.64-6,467.88

Finding the Fourth Proportional to 11,772.72, 16,246.64 and 6,467.88

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Solution

The fourth proportional to 11,772.72, 16,246.64 and 6,467.88 is: 8,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.72 : 16,246.64 = 6,467.88 : x
  2. Step 2: Convert to fraction form
    11,772.72/16,246.64 = 6,467.88/x
  3. Step 3: Cross multiply
    11,772.72x = 16,246.64 × 6,467.88
  4. Step 4: Simplify right side
    11,772.72x = 105,081,317.92
  5. Step 5: Solve for x
    x = 105,081,317.92/11,772.72
  6. Step 6: Final answer
    x = 8,925.83

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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.