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Finding the Fourth Proportional to 8,765.46, 12,096.29 and 4,786.57

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Solution

The fourth proportional to 8,765.46, 12,096.29 and 4,786.57 is: 6,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.46 : 12,096.29 = 4,786.57 : x
  2. Step 2: Convert to fraction form
    8,765.46/12,096.29 = 4,786.57/x
  3. Step 3: Cross multiply
    8,765.46x = 12,096.29 × 4,786.57
  4. Step 4: Simplify right side
    8,765.46x = 57,899,738.83
  5. Step 5: Solve for x
    x = 57,899,738.83/8,765.46
  6. Step 6: Final answer
    x = 6,605.44

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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.