Home / 11,758.64-16,226.91-6,453.47

Finding the Fourth Proportional to 11,758.64, 16,226.91 and 6,453.47

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Solution

The fourth proportional to 11,758.64, 16,226.91 and 6,453.47 is: 8,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.64 : 16,226.91 = 6,453.47 : x
  2. Step 2: Convert to fraction form
    11,758.64/16,226.91 = 6,453.47/x
  3. Step 3: Cross multiply
    11,758.64x = 16,226.91 × 6,453.47
  4. Step 4: Simplify right side
    11,758.64x = 104,719,876.88
  5. Step 5: Solve for x
    x = 104,719,876.88/11,758.64
  6. Step 6: Final answer
    x = 8,905.78

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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.