Home / 11,072.18-15,299.06-8,852.38

Finding the Fourth Proportional to 11,072.18, 15,299.06 and 8,852.38

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Solution

The fourth proportional to 11,072.18, 15,299.06 and 8,852.38 is: 12,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.18 : 15,299.06 = 8,852.38 : x
  2. Step 2: Convert to fraction form
    11,072.18/15,299.06 = 8,852.38/x
  3. Step 3: Cross multiply
    11,072.18x = 15,299.06 × 8,852.38
  4. Step 4: Simplify right side
    11,072.18x = 135,433,092.76
  5. Step 5: Solve for x
    x = 135,433,092.76/11,072.18
  6. Step 6: Final answer
    x = 12,231.84

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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.