Home / 11,736.41-16,196.63-6,431.22

Finding the Fourth Proportional to 11,736.41, 16,196.63 and 6,431.22

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Solution

The fourth proportional to 11,736.41, 16,196.63 and 6,431.22 is: 8,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.41 : 16,196.63 = 6,431.22 : x
  2. Step 2: Convert to fraction form
    11,736.41/16,196.63 = 6,431.22/x
  3. Step 3: Cross multiply
    11,736.41x = 16,196.63 × 6,431.22
  4. Step 4: Simplify right side
    11,736.41x = 104,164,058.63
  5. Step 5: Solve for x
    x = 104,164,058.63/11,736.41
  6. Step 6: Final answer
    x = 8,875.30

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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.