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Finding the Fourth Proportional to 8,767.98, 12,099.51 and 4,789.26

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Solution

The fourth proportional to 8,767.98, 12,099.51 and 4,789.26 is: 6,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.98 : 12,099.51 = 4,789.26 : x
  2. Step 2: Convert to fraction form
    8,767.98/12,099.51 = 4,789.26/x
  3. Step 3: Cross multiply
    8,767.98x = 12,099.51 × 4,789.26
  4. Step 4: Simplify right side
    8,767.98x = 57,947,699.26
  5. Step 5: Solve for x
    x = 57,947,699.26/8,767.98
  6. Step 6: Final answer
    x = 6,609.01

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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.