Home / 11,155.22-15,393.29-6,675.97

Finding the Fourth Proportional to 11,155.22, 15,393.29 and 6,675.97

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Solution

The fourth proportional to 11,155.22, 15,393.29 and 6,675.97 is: 9,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.22 : 15,393.29 = 6,675.97 : x
  2. Step 2: Convert to fraction form
    11,155.22/15,393.29 = 6,675.97/x
  3. Step 3: Cross multiply
    11,155.22x = 15,393.29 × 6,675.97
  4. Step 4: Simplify right side
    11,155.22x = 102,765,136.79
  5. Step 5: Solve for x
    x = 102,765,136.79/11,155.22
  6. Step 6: Final answer
    x = 9,212.29

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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.