Home / 11,840.83-16,340.58-6,463.54

Finding the Fourth Proportional to 11,840.83, 16,340.58 and 6,463.54

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Solution

The fourth proportional to 11,840.83, 16,340.58 and 6,463.54 is: 8,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.83 : 16,340.58 = 6,463.54 : x
  2. Step 2: Convert to fraction form
    11,840.83/16,340.58 = 6,463.54/x
  3. Step 3: Cross multiply
    11,840.83x = 16,340.58 × 6,463.54
  4. Step 4: Simplify right side
    11,840.83x = 105,617,992.45
  5. Step 5: Solve for x
    x = 105,617,992.45/11,840.83
  6. Step 6: Final answer
    x = 8,919.81

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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.