Home / 8,310.94-11,467.40-4,725.12

Finding the Fourth Proportional to 8,310.94, 11,467.40 and 4,725.12

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Solution

The fourth proportional to 8,310.94, 11,467.40 and 4,725.12 is: 6,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.94 : 11,467.40 = 4,725.12 : x
  2. Step 2: Convert to fraction form
    8,310.94/11,467.40 = 4,725.12/x
  3. Step 3: Cross multiply
    8,310.94x = 11,467.40 × 4,725.12
  4. Step 4: Simplify right side
    8,310.94x = 54,184,785.06
  5. Step 5: Solve for x
    x = 54,184,785.06/8,310.94
  6. Step 6: Final answer
    x = 6,519.69

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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.