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Finding the Fourth Proportional to 8,736.84, 12,060.72 and 6,083.28

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Solution

The fourth proportional to 8,736.84, 12,060.72 and 6,083.28 is: 8,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.84 : 12,060.72 = 6,083.28 : x
  2. Step 2: Convert to fraction form
    8,736.84/12,060.72 = 6,083.28/x
  3. Step 3: Cross multiply
    8,736.84x = 12,060.72 × 6,083.28
  4. Step 4: Simplify right side
    8,736.84x = 73,368,736.76
  5. Step 5: Solve for x
    x = 73,368,736.76/8,736.84
  6. Step 6: Final answer
    x = 8,397.63

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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.