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Finding the Fourth Proportional to 9,263.45, 12,775.28 and 6,751.41

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Solution

The fourth proportional to 9,263.45, 12,775.28 and 6,751.41 is: 9,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.45 : 12,775.28 = 6,751.41 : x
  2. Step 2: Convert to fraction form
    9,263.45/12,775.28 = 6,751.41/x
  3. Step 3: Cross multiply
    9,263.45x = 12,775.28 × 6,751.41
  4. Step 4: Simplify right side
    9,263.45x = 86,251,119.39
  5. Step 5: Solve for x
    x = 86,251,119.39/9,263.45
  6. Step 6: Final answer
    x = 9,310.91

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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.