Home / 10,954.86-15,113.07-6,704.31

Finding the Fourth Proportional to 10,954.86, 15,113.07 and 6,704.31

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Solution

The fourth proportional to 10,954.86, 15,113.07 and 6,704.31 is: 9,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.86 : 15,113.07 = 6,704.31 : x
  2. Step 2: Convert to fraction form
    10,954.86/15,113.07 = 6,704.31/x
  3. Step 3: Cross multiply
    10,954.86x = 15,113.07 × 6,704.31
  4. Step 4: Simplify right side
    10,954.86x = 101,322,706.33
  5. Step 5: Solve for x
    x = 101,322,706.33/10,954.86
  6. Step 6: Final answer
    x = 9,249.11

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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.