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Finding the Fourth Proportional to 8,512.59, 11,749.00 and 4,786.59

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Solution

The fourth proportional to 8,512.59, 11,749.00 and 4,786.59 is: 6,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.59 : 11,749.00 = 4,786.59 : x
  2. Step 2: Convert to fraction form
    8,512.59/11,749.00 = 4,786.59/x
  3. Step 3: Cross multiply
    8,512.59x = 11,749.00 × 4,786.59
  4. Step 4: Simplify right side
    8,512.59x = 56,237,686.98
  5. Step 5: Solve for x
    x = 56,237,686.98/8,512.59
  6. Step 6: Final answer
    x = 6,606.41

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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.