Home / 8,112.74-11,195.33-4,575.90

Finding the Fourth Proportional to 8,112.74, 11,195.33 and 4,575.90

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Solution

The fourth proportional to 8,112.74, 11,195.33 and 4,575.90 is: 6,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.74 : 11,195.33 = 4,575.90 : x
  2. Step 2: Convert to fraction form
    8,112.74/11,195.33 = 4,575.90/x
  3. Step 3: Cross multiply
    8,112.74x = 11,195.33 × 4,575.90
  4. Step 4: Simplify right side
    8,112.74x = 51,228,710.55
  5. Step 5: Solve for x
    x = 51,228,710.55/8,112.74
  6. Step 6: Final answer
    x = 6,314.60

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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.