Home / 8,482.18-11,704.68-4,945.72

Finding the Fourth Proportional to 8,482.18, 11,704.68 and 4,945.72

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Solution

The fourth proportional to 8,482.18, 11,704.68 and 4,945.72 is: 6,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.18 : 11,704.68 = 4,945.72 : x
  2. Step 2: Convert to fraction form
    8,482.18/11,704.68 = 4,945.72/x
  3. Step 3: Cross multiply
    8,482.18x = 11,704.68 × 4,945.72
  4. Step 4: Simplify right side
    8,482.18x = 57,888,069.97
  5. Step 5: Solve for x
    x = 57,888,069.97/8,482.18
  6. Step 6: Final answer
    x = 6,824.67

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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.