Home / 10,867.37-16,299.13-4,942.87

Finding the Fourth Proportional to 10,867.37, 16,299.13 and 4,942.87

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Solution

The fourth proportional to 10,867.37, 16,299.13 and 4,942.87 is: 7,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.37 : 16,299.13 = 4,942.87 : x
  2. Step 2: Convert to fraction form
    10,867.37/16,299.13 = 4,942.87/x
  3. Step 3: Cross multiply
    10,867.37x = 16,299.13 × 4,942.87
  4. Step 4: Simplify right side
    10,867.37x = 80,564,427.60
  5. Step 5: Solve for x
    x = 80,564,427.60/10,867.37
  6. Step 6: Final answer
    x = 7,413.43

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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.