Home / 11,091.14-15,302.09-7,316.18

Finding the Fourth Proportional to 11,091.14, 15,302.09 and 7,316.18

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Solution

The fourth proportional to 11,091.14, 15,302.09 and 7,316.18 is: 10,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.14 : 15,302.09 = 7,316.18 : x
  2. Step 2: Convert to fraction form
    11,091.14/15,302.09 = 7,316.18/x
  3. Step 3: Cross multiply
    11,091.14x = 15,302.09 × 7,316.18
  4. Step 4: Simplify right side
    11,091.14x = 111,952,786.60
  5. Step 5: Solve for x
    x = 111,952,786.60/11,091.14
  6. Step 6: Final answer
    x = 10,093.90

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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.