Home / 9,950.33-13,731.18-5,412.86

Finding the Fourth Proportional to 9,950.33, 13,731.18 and 5,412.86

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Solution

The fourth proportional to 9,950.33, 13,731.18 and 5,412.86 is: 7,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.33 : 13,731.18 = 5,412.86 : x
  2. Step 2: Convert to fraction form
    9,950.33/13,731.18 = 5,412.86/x
  3. Step 3: Cross multiply
    9,950.33x = 13,731.18 × 5,412.86
  4. Step 4: Simplify right side
    9,950.33x = 74,324,954.97
  5. Step 5: Solve for x
    x = 74,324,954.97/9,950.33
  6. Step 6: Final answer
    x = 7,469.60

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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.