Home / 11,701.98-16,157.34-7,227.54

Finding the Fourth Proportional to 11,701.98, 16,157.34 and 7,227.54

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Solution

The fourth proportional to 11,701.98, 16,157.34 and 7,227.54 is: 9,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.98 : 16,157.34 = 7,227.54 : x
  2. Step 2: Convert to fraction form
    11,701.98/16,157.34 = 7,227.54/x
  3. Step 3: Cross multiply
    11,701.98x = 16,157.34 × 7,227.54
  4. Step 4: Simplify right side
    11,701.98x = 116,777,821.14
  5. Step 5: Solve for x
    x = 116,777,821.14/11,701.98
  6. Step 6: Final answer
    x = 9,979.32

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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.