Home / 11,845.41-16,346.79-6,540.22

Finding the Fourth Proportional to 11,845.41, 16,346.79 and 6,540.22

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Solution

The fourth proportional to 11,845.41, 16,346.79 and 6,540.22 is: 9,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.41 : 16,346.79 = 6,540.22 : x
  2. Step 2: Convert to fraction form
    11,845.41/16,346.79 = 6,540.22/x
  3. Step 3: Cross multiply
    11,845.41x = 16,346.79 × 6,540.22
  4. Step 4: Simplify right side
    11,845.41x = 106,911,602.89
  5. Step 5: Solve for x
    x = 106,911,602.89/11,845.41
  6. Step 6: Final answer
    x = 9,025.57

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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.