Home / 11,822.37-16,314.88-6,786.50

Finding the Fourth Proportional to 11,822.37, 16,314.88 and 6,786.50

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Solution

The fourth proportional to 11,822.37, 16,314.88 and 6,786.50 is: 9,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.37 : 16,314.88 = 6,786.50 : x
  2. Step 2: Convert to fraction form
    11,822.37/16,314.88 = 6,786.50/x
  3. Step 3: Cross multiply
    11,822.37x = 16,314.88 × 6,786.50
  4. Step 4: Simplify right side
    11,822.37x = 110,720,933.12
  5. Step 5: Solve for x
    x = 110,720,933.12/11,822.37
  6. Step 6: Final answer
    x = 9,365.38

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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.