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Finding the Fourth Proportional to 9,059.73, 12,498.16 and 6,408.60

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Solution

The fourth proportional to 9,059.73, 12,498.16 and 6,408.60 is: 8,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.73 : 12,498.16 = 6,408.60 : x
  2. Step 2: Convert to fraction form
    9,059.73/12,498.16 = 6,408.60/x
  3. Step 3: Cross multiply
    9,059.73x = 12,498.16 × 6,408.60
  4. Step 4: Simplify right side
    9,059.73x = 80,095,708.18
  5. Step 5: Solve for x
    x = 80,095,708.18/9,059.73
  6. Step 6: Final answer
    x = 8,840.85

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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.