Home / 11,733.62-16,191.96-6,428.48

Finding the Fourth Proportional to 11,733.62, 16,191.96 and 6,428.48

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Solution

The fourth proportional to 11,733.62, 16,191.96 and 6,428.48 is: 8,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.62 : 16,191.96 = 6,428.48 : x
  2. Step 2: Convert to fraction form
    11,733.62/16,191.96 = 6,428.48/x
  3. Step 3: Cross multiply
    11,733.62x = 16,191.96 × 6,428.48
  4. Step 4: Simplify right side
    11,733.62x = 104,089,691.02
  5. Step 5: Solve for x
    x = 104,089,691.02/11,733.62
  6. Step 6: Final answer
    x = 8,871.06

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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.