Home / 7,255.22-10,012.20-4,111.41

Finding the Fourth Proportional to 7,255.22, 10,012.20 and 4,111.41

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Solution

The fourth proportional to 7,255.22, 10,012.20 and 4,111.41 is: 5,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.22 : 10,012.20 = 4,111.41 : x
  2. Step 2: Convert to fraction form
    7,255.22/10,012.20 = 4,111.41/x
  3. Step 3: Cross multiply
    7,255.22x = 10,012.20 × 4,111.41
  4. Step 4: Simplify right side
    7,255.22x = 41,164,259.20
  5. Step 5: Solve for x
    x = 41,164,259.20/7,255.22
  6. Step 6: Final answer
    x = 5,673.74

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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.