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Finding the Fourth Proportional to 8,497.37, 12,749.13 and 4,338.43

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Solution

The fourth proportional to 8,497.37, 12,749.13 and 4,338.43 is: 6,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.37 : 12,749.13 = 4,338.43 : x
  2. Step 2: Convert to fraction form
    8,497.37/12,749.13 = 4,338.43/x
  3. Step 3: Cross multiply
    8,497.37x = 12,749.13 × 4,338.43
  4. Step 4: Simplify right side
    8,497.37x = 55,311,176.19
  5. Step 5: Solve for x
    x = 55,311,176.19/8,497.37
  6. Step 6: Final answer
    x = 6,509.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.