Home / 11,851.35-17,771.76-4,354.95

Finding the Fourth Proportional to 11,851.35, 17,771.76 and 4,354.95

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Solution

The fourth proportional to 11,851.35, 17,771.76 and 4,354.95 is: 6,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.35 : 17,771.76 = 4,354.95 : x
  2. Step 2: Convert to fraction form
    11,851.35/17,771.76 = 4,354.95/x
  3. Step 3: Cross multiply
    11,851.35x = 17,771.76 × 4,354.95
  4. Step 4: Simplify right side
    11,851.35x = 77,395,126.21
  5. Step 5: Solve for x
    x = 77,395,126.21/11,851.35
  6. Step 6: Final answer
    x = 6,530.49

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1.5x scale

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.