Home / 8,019.88-12,030.42-2,176.94

Finding the Fourth Proportional to 8,019.88, 12,030.42 and 2,176.94

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Solution

The fourth proportional to 8,019.88, 12,030.42 and 2,176.94 is: 3,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.88 : 12,030.42 = 2,176.94 : x
  2. Step 2: Convert to fraction form
    8,019.88/12,030.42 = 2,176.94/x
  3. Step 3: Cross multiply
    8,019.88x = 12,030.42 × 2,176.94
  4. Step 4: Simplify right side
    8,019.88x = 26,189,540.75
  5. Step 5: Solve for x
    x = 26,189,540.75/8,019.88
  6. Step 6: Final answer
    x = 3,265.58

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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.