Home / 6,817.20-10,276.16-6,255.60

Finding the Fourth Proportional to 6,817.20, 10,276.16 and 6,255.60

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Solution

The fourth proportional to 6,817.20, 10,276.16 and 6,255.60 is: 9,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.20 : 10,276.16 = 6,255.60 : x
  2. Step 2: Convert to fraction form
    6,817.20/10,276.16 = 6,255.60/x
  3. Step 3: Cross multiply
    6,817.20x = 10,276.16 × 6,255.60
  4. Step 4: Simplify right side
    6,817.20x = 64,283,546.50
  5. Step 5: Solve for x
    x = 64,283,546.50/6,817.20
  6. Step 6: Final answer
    x = 9,429.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.