Home / 11,078.16-16,603.20-4,500.60

Finding the Fourth Proportional to 11,078.16, 16,603.20 and 4,500.60

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Solution

The fourth proportional to 11,078.16, 16,603.20 and 4,500.60 is: 6,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.16 : 16,603.20 = 4,500.60 : x
  2. Step 2: Convert to fraction form
    11,078.16/16,603.20 = 4,500.60/x
  3. Step 3: Cross multiply
    11,078.16x = 16,603.20 × 4,500.60
  4. Step 4: Simplify right side
    11,078.16x = 74,724,361.92
  5. Step 5: Solve for x
    x = 74,724,361.92/11,078.16
  6. Step 6: Final answer
    x = 6,745.20

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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.