Home / 8,310.30-11,469.18-4,725.80

Finding the Fourth Proportional to 8,310.30, 11,469.18 and 4,725.80

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Solution

The fourth proportional to 8,310.30, 11,469.18 and 4,725.80 is: 6,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.30 : 11,469.18 = 4,725.80 : x
  2. Step 2: Convert to fraction form
    8,310.30/11,469.18 = 4,725.80/x
  3. Step 3: Cross multiply
    8,310.30x = 11,469.18 × 4,725.80
  4. Step 4: Simplify right side
    8,310.30x = 54,201,050.84
  5. Step 5: Solve for x
    x = 54,201,050.84/8,310.30
  6. Step 6: Final answer
    x = 6,522.15

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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.