Home / 11,085.27-15,297.98-6,609.39

Finding the Fourth Proportional to 11,085.27, 15,297.98 and 6,609.39

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Solution

The fourth proportional to 11,085.27, 15,297.98 and 6,609.39 is: 9,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.27 : 15,297.98 = 6,609.39 : x
  2. Step 2: Convert to fraction form
    11,085.27/15,297.98 = 6,609.39/x
  3. Step 3: Cross multiply
    11,085.27x = 15,297.98 × 6,609.39
  4. Step 4: Simplify right side
    11,085.27x = 101,110,316.03
  5. Step 5: Solve for x
    x = 101,110,316.03/11,085.27
  6. Step 6: Final answer
    x = 9,121.14

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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.