Home / 11,718.22-16,171.56-6,683.26

Finding the Fourth Proportional to 11,718.22, 16,171.56 and 6,683.26

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Solution

The fourth proportional to 11,718.22, 16,171.56 and 6,683.26 is: 9,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.22 : 16,171.56 = 6,683.26 : x
  2. Step 2: Convert to fraction form
    11,718.22/16,171.56 = 6,683.26/x
  3. Step 3: Cross multiply
    11,718.22x = 16,171.56 × 6,683.26
  4. Step 4: Simplify right side
    11,718.22x = 108,078,740.09
  5. Step 5: Solve for x
    x = 108,078,740.09/11,718.22
  6. Step 6: Final answer
    x = 9,223.14

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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.