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Finding the Fourth Proportional to 8,716.10, 12,028.10 and 4,737.12

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Solution

The fourth proportional to 8,716.10, 12,028.10 and 4,737.12 is: 6,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.10 : 12,028.10 = 4,737.12 : x
  2. Step 2: Convert to fraction form
    8,716.10/12,028.10 = 4,737.12/x
  3. Step 3: Cross multiply
    8,716.10x = 12,028.10 × 4,737.12
  4. Step 4: Simplify right side
    8,716.10x = 56,978,553.07
  5. Step 5: Solve for x
    x = 56,978,553.07/8,716.10
  6. Step 6: Final answer
    x = 6,537.16

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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.