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Finding the Fourth Proportional to 8,931.44, 12,337.08 and 6,846.32

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Solution

The fourth proportional to 8,931.44, 12,337.08 and 6,846.32 is: 9,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.44 : 12,337.08 = 6,846.32 : x
  2. Step 2: Convert to fraction form
    8,931.44/12,337.08 = 6,846.32/x
  3. Step 3: Cross multiply
    8,931.44x = 12,337.08 × 6,846.32
  4. Step 4: Simplify right side
    8,931.44x = 84,463,597.55
  5. Step 5: Solve for x
    x = 84,463,597.55/8,931.44
  6. Step 6: Final answer
    x = 9,456.88

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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.