Home / 11,853.42-16,352.60-6,816.48

Finding the Fourth Proportional to 11,853.42, 16,352.60 and 6,816.48

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Solution

The fourth proportional to 11,853.42, 16,352.60 and 6,816.48 is: 9,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.42 : 16,352.60 = 6,816.48 : x
  2. Step 2: Convert to fraction form
    11,853.42/16,352.60 = 6,816.48/x
  3. Step 3: Cross multiply
    11,853.42x = 16,352.60 × 6,816.48
  4. Step 4: Simplify right side
    11,853.42x = 111,467,170.85
  5. Step 5: Solve for x
    x = 111,467,170.85/11,853.42
  6. Step 6: Final answer
    x = 9,403.80

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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.