Home / 11,673.77-16,110.25-6,638.45

Finding the Fourth Proportional to 11,673.77, 16,110.25 and 6,638.45

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Solution

The fourth proportional to 11,673.77, 16,110.25 and 6,638.45 is: 9,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.77 : 16,110.25 = 6,638.45 : x
  2. Step 2: Convert to fraction form
    11,673.77/16,110.25 = 6,638.45/x
  3. Step 3: Cross multiply
    11,673.77x = 16,110.25 × 6,638.45
  4. Step 4: Simplify right side
    11,673.77x = 106,946,991.97
  5. Step 5: Solve for x
    x = 106,946,991.97/11,673.77
  6. Step 6: Final answer
    x = 9,161.31

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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.