Home / 11,719.23-16,170.03-6,940.67

Finding the Fourth Proportional to 11,719.23, 16,170.03 and 6,940.67

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Solution

The fourth proportional to 11,719.23, 16,170.03 and 6,940.67 is: 9,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.23 : 16,170.03 = 6,940.67 : x
  2. Step 2: Convert to fraction form
    11,719.23/16,170.03 = 6,940.67/x
  3. Step 3: Cross multiply
    11,719.23x = 16,170.03 × 6,940.67
  4. Step 4: Simplify right side
    11,719.23x = 112,230,842.12
  5. Step 5: Solve for x
    x = 112,230,842.12/11,719.23
  6. Step 6: Final answer
    x = 9,576.64

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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.