Home / 9,090.75-13,636.43-2,516.39

Finding the Fourth Proportional to 9,090.75, 13,636.43 and 2,516.39

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Solution

The fourth proportional to 9,090.75, 13,636.43 and 2,516.39 is: 3,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.75 : 13,636.43 = 2,516.39 : x
  2. Step 2: Convert to fraction form
    9,090.75/13,636.43 = 2,516.39/x
  3. Step 3: Cross multiply
    9,090.75x = 13,636.43 × 2,516.39
  4. Step 4: Simplify right side
    9,090.75x = 34,314,576.09
  5. Step 5: Solve for x
    x = 34,314,576.09/9,090.75
  6. Step 6: Final answer
    x = 3,774.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.