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Finding the Fourth Proportional to 8,671.32, 11,953.94 and 6,183

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Solution

The fourth proportional to 8,671.32, 11,953.94 and 6,183 is: 8,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.32 : 11,953.94 = 6,183 : x
  2. Step 2: Convert to fraction form
    8,671.32/11,953.94 = 6,183/x
  3. Step 3: Cross multiply
    8,671.32x = 11,953.94 × 6,183
  4. Step 4: Simplify right side
    8,671.32x = 73,911,211.02
  5. Step 5: Solve for x
    x = 73,911,211.02/8,671.32
  6. Step 6: Final answer
    x = 8,523.64

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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.