Home / 8,668.55-13,002.85-2,094.72

Finding the Fourth Proportional to 8,668.55, 13,002.85 and 2,094.72

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Solution

The fourth proportional to 8,668.55, 13,002.85 and 2,094.72 is: 3,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.55 : 13,002.85 = 2,094.72 : x
  2. Step 2: Convert to fraction form
    8,668.55/13,002.85 = 2,094.72/x
  3. Step 3: Cross multiply
    8,668.55x = 13,002.85 × 2,094.72
  4. Step 4: Simplify right side
    8,668.55x = 27,237,329.95
  5. Step 5: Solve for x
    x = 27,237,329.95/8,668.55
  6. Step 6: Final answer
    x = 3,142.09

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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.