Home / 10,958.45-15,121.73-6,707.68

Finding the Fourth Proportional to 10,958.45, 15,121.73 and 6,707.68

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Solution

The fourth proportional to 10,958.45, 15,121.73 and 6,707.68 is: 9,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.45 : 15,121.73 = 6,707.68 : x
  2. Step 2: Convert to fraction form
    10,958.45/15,121.73 = 6,707.68/x
  3. Step 3: Cross multiply
    10,958.45x = 15,121.73 × 6,707.68
  4. Step 4: Simplify right side
    10,958.45x = 101,431,704.85
  5. Step 5: Solve for x
    x = 101,431,704.85/10,958.45
  6. Step 6: Final answer
    x = 9,256.03

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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.