Home / 11,792.40-16,272.72-6,756.64

Finding the Fourth Proportional to 11,792.40, 16,272.72 and 6,756.64

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Solution

The fourth proportional to 11,792.40, 16,272.72 and 6,756.64 is: 9,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.40 : 16,272.72 = 6,756.64 : x
  2. Step 2: Convert to fraction form
    11,792.40/16,272.72 = 6,756.64/x
  3. Step 3: Cross multiply
    11,792.40x = 16,272.72 × 6,756.64
  4. Step 4: Simplify right side
    11,792.40x = 109,948,910.86
  5. Step 5: Solve for x
    x = 109,948,910.86/11,792.40
  6. Step 6: Final answer
    x = 9,323.71

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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.