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Finding the Fourth Proportional to 8,794.56, 12,137.47 and 5,018.66

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Solution

The fourth proportional to 8,794.56, 12,137.47 and 5,018.66 is: 6,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.56 : 12,137.47 = 5,018.66 : x
  2. Step 2: Convert to fraction form
    8,794.56/12,137.47 = 5,018.66/x
  3. Step 3: Cross multiply
    8,794.56x = 12,137.47 × 5,018.66
  4. Step 4: Simplify right side
    8,794.56x = 60,913,835.19
  5. Step 5: Solve for x
    x = 60,913,835.19/8,794.56
  6. Step 6: Final answer
    x = 6,926.31

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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.