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Finding the Fourth Proportional to 8,099.53, 12,130.39 and 6,235.86

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Solution

The fourth proportional to 8,099.53, 12,130.39 and 6,235.86 is: 9,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.53 : 12,130.39 = 6,235.86 : x
  2. Step 2: Convert to fraction form
    8,099.53/12,130.39 = 6,235.86/x
  3. Step 3: Cross multiply
    8,099.53x = 12,130.39 × 6,235.86
  4. Step 4: Simplify right side
    8,099.53x = 75,643,413.79
  5. Step 5: Solve for x
    x = 75,643,413.79/8,099.53
  6. Step 6: Final answer
    x = 9,339.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.