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Finding the Fourth Proportional to 6,698.39, 9,224.28 and 6,270.51

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Solution

The fourth proportional to 6,698.39, 9,224.28 and 6,270.51 is: 8,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.39 : 9,224.28 = 6,270.51 : x
  2. Step 2: Convert to fraction form
    6,698.39/9,224.28 = 6,270.51/x
  3. Step 3: Cross multiply
    6,698.39x = 9,224.28 × 6,270.51
  4. Step 4: Simplify right side
    6,698.39x = 57,840,939.98
  5. Step 5: Solve for x
    x = 57,840,939.98/6,698.39
  6. Step 6: Final answer
    x = 8,635.05

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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.