Home / 11,701.36-16,145.67-6,922.09

Finding the Fourth Proportional to 11,701.36, 16,145.67 and 6,922.09

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Solution

The fourth proportional to 11,701.36, 16,145.67 and 6,922.09 is: 9,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.36 : 16,145.67 = 6,922.09 : x
  2. Step 2: Convert to fraction form
    11,701.36/16,145.67 = 6,922.09/x
  3. Step 3: Cross multiply
    11,701.36x = 16,145.67 × 6,922.09
  4. Step 4: Simplify right side
    11,701.36x = 111,761,780.85
  5. Step 5: Solve for x
    x = 111,761,780.85/11,701.36
  6. Step 6: Final answer
    x = 9,551.18

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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.