Home / 8,083.18-11,155.21-4,498.15

Finding the Fourth Proportional to 8,083.18, 11,155.21 and 4,498.15

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Solution

The fourth proportional to 8,083.18, 11,155.21 and 4,498.15 is: 6,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.18 : 11,155.21 = 4,498.15 : x
  2. Step 2: Convert to fraction form
    8,083.18/11,155.21 = 4,498.15/x
  3. Step 3: Cross multiply
    8,083.18x = 11,155.21 × 4,498.15
  4. Step 4: Simplify right side
    8,083.18x = 50,177,736.26
  5. Step 5: Solve for x
    x = 50,177,736.26/8,083.18
  6. Step 6: Final answer
    x = 6,207.67

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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.