Home / 11,243.55-15,516.23-6,207.68

Finding the Fourth Proportional to 11,243.55, 15,516.23 and 6,207.68

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Solution

The fourth proportional to 11,243.55, 15,516.23 and 6,207.68 is: 8,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.55 : 15,516.23 = 6,207.68 : x
  2. Step 2: Convert to fraction form
    11,243.55/15,516.23 = 6,207.68/x
  3. Step 3: Cross multiply
    11,243.55x = 15,516.23 × 6,207.68
  4. Step 4: Simplify right side
    11,243.55x = 96,319,790.65
  5. Step 5: Solve for x
    x = 96,319,790.65/11,243.55
  6. Step 6: Final answer
    x = 8,566.67

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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.