Home / 11,272.08-16,896.24-5,416.32

Finding the Fourth Proportional to 11,272.08, 16,896.24 and 5,416.32

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Solution

The fourth proportional to 11,272.08, 16,896.24 and 5,416.32 is: 8,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.08 : 16,896.24 = 5,416.32 : x
  2. Step 2: Convert to fraction form
    11,272.08/16,896.24 = 5,416.32/x
  3. Step 3: Cross multiply
    11,272.08x = 16,896.24 × 5,416.32
  4. Step 4: Simplify right side
    11,272.08x = 91,515,442.64
  5. Step 5: Solve for x
    x = 91,515,442.64/11,272.08
  6. Step 6: Final answer
    x = 8,118.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.