Home / 9,078.75-13,624.20-3,885.03

Finding the Fourth Proportional to 9,078.75, 13,624.20 and 3,885.03

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Solution

The fourth proportional to 9,078.75, 13,624.20 and 3,885.03 is: 5,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.75 : 13,624.20 = 3,885.03 : x
  2. Step 2: Convert to fraction form
    9,078.75/13,624.20 = 3,885.03/x
  3. Step 3: Cross multiply
    9,078.75x = 13,624.20 × 3,885.03
  4. Step 4: Simplify right side
    9,078.75x = 52,930,425.73
  5. Step 5: Solve for x
    x = 52,930,425.73/9,078.75
  6. Step 6: Final answer
    x = 5,830.14

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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.