Home / 11,668.86-17,505.09-4,271.67

Finding the Fourth Proportional to 11,668.86, 17,505.09 and 4,271.67

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Solution

The fourth proportional to 11,668.86, 17,505.09 and 4,271.67 is: 6,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.86 : 17,505.09 = 4,271.67 : x
  2. Step 2: Convert to fraction form
    11,668.86/17,505.09 = 4,271.67/x
  3. Step 3: Cross multiply
    11,668.86x = 17,505.09 × 4,271.67
  4. Step 4: Simplify right side
    11,668.86x = 74,775,967.80
  5. Step 5: Solve for x
    x = 74,775,967.80/11,668.86
  6. Step 6: Final answer
    x = 6,408.16

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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.