Home / 11,270.16-16,905.63-3,874.56

Finding the Fourth Proportional to 11,270.16, 16,905.63 and 3,874.56

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Solution

The fourth proportional to 11,270.16, 16,905.63 and 3,874.56 is: 5,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.16 : 16,905.63 = 3,874.56 : x
  2. Step 2: Convert to fraction form
    11,270.16/16,905.63 = 3,874.56/x
  3. Step 3: Cross multiply
    11,270.16x = 16,905.63 × 3,874.56
  4. Step 4: Simplify right side
    11,270.16x = 65,501,773.87
  5. Step 5: Solve for x
    x = 65,501,773.87/11,270.16
  6. Step 6: Final answer
    x = 5,811.96

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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.