Home / 11,537.68-17,313-4,612.72

Finding the Fourth Proportional to 11,537.68, 17,313 and 4,612.72

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Solution

The fourth proportional to 11,537.68, 17,313 and 4,612.72 is: 6,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.68 : 17,313 = 4,612.72 : x
  2. Step 2: Convert to fraction form
    11,537.68/17,313 = 4,612.72/x
  3. Step 3: Cross multiply
    11,537.68x = 17,313 × 4,612.72
  4. Step 4: Simplify right side
    11,537.68x = 79,860,021.36
  5. Step 5: Solve for x
    x = 79,860,021.36/11,537.68
  6. Step 6: Final answer
    x = 6,921.67

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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.