Home / 11,996.08-16,554.53-6,618.37

Finding the Fourth Proportional to 11,996.08, 16,554.53 and 6,618.37

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Solution

The fourth proportional to 11,996.08, 16,554.53 and 6,618.37 is: 9,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.08 : 16,554.53 = 6,618.37 : x
  2. Step 2: Convert to fraction form
    11,996.08/16,554.53 = 6,618.37/x
  3. Step 3: Cross multiply
    11,996.08x = 16,554.53 × 6,618.37
  4. Step 4: Simplify right side
    11,996.08x = 109,563,921.94
  5. Step 5: Solve for x
    x = 109,563,921.94/11,996.08
  6. Step 6: Final answer
    x = 9,133.31

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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.