Home / 10,161.64-14,021.67-5,912.38

Finding the Fourth Proportional to 10,161.64, 14,021.67 and 5,912.38

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Solution

The fourth proportional to 10,161.64, 14,021.67 and 5,912.38 is: 8,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.64 : 14,021.67 = 5,912.38 : x
  2. Step 2: Convert to fraction form
    10,161.64/14,021.67 = 5,912.38/x
  3. Step 3: Cross multiply
    10,161.64x = 14,021.67 × 5,912.38
  4. Step 4: Simplify right side
    10,161.64x = 82,901,441.27
  5. Step 5: Solve for x
    x = 82,901,441.27/10,161.64
  6. Step 6: Final answer
    x = 8,158.27

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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.