Home / 8,111.90-11,195.07-4,575.44

Finding the Fourth Proportional to 8,111.90, 11,195.07 and 4,575.44

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Solution

The fourth proportional to 8,111.90, 11,195.07 and 4,575.44 is: 6,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.90 : 11,195.07 = 4,575.44 : x
  2. Step 2: Convert to fraction form
    8,111.90/11,195.07 = 4,575.44/x
  3. Step 3: Cross multiply
    8,111.90x = 11,195.07 × 4,575.44
  4. Step 4: Simplify right side
    8,111.90x = 51,222,371.08
  5. Step 5: Solve for x
    x = 51,222,371.08/8,111.90
  6. Step 6: Final answer
    x = 6,314.47

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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.