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Finding the Fourth Proportional to 7,797.74, 11,668.82 and 6,247.70

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Solution

The fourth proportional to 7,797.74, 11,668.82 and 6,247.70 is: 9,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.74 : 11,668.82 = 6,247.70 : x
  2. Step 2: Convert to fraction form
    7,797.74/11,668.82 = 6,247.70/x
  3. Step 3: Cross multiply
    7,797.74x = 11,668.82 × 6,247.70
  4. Step 4: Simplify right side
    7,797.74x = 72,903,286.71
  5. Step 5: Solve for x
    x = 72,903,286.71/7,797.74
  6. Step 6: Final answer
    x = 9,349.28

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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.