Home / 11,406.93-17,110.41-7,885.86

Finding the Fourth Proportional to 11,406.93, 17,110.41 and 7,885.86

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Solution

The fourth proportional to 11,406.93, 17,110.41 and 7,885.86 is: 11,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.93 : 17,110.41 = 7,885.86 : x
  2. Step 2: Convert to fraction form
    11,406.93/17,110.41 = 7,885.86/x
  3. Step 3: Cross multiply
    11,406.93x = 17,110.41 × 7,885.86
  4. Step 4: Simplify right side
    11,406.93x = 134,930,297.80
  5. Step 5: Solve for x
    x = 134,930,297.80/11,406.93
  6. Step 6: Final answer
    x = 11,828.80

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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.