Home / 7,449.72-11,170.53-4,816.86

Finding the Fourth Proportional to 7,449.72, 11,170.53 and 4,816.86

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Solution

The fourth proportional to 7,449.72, 11,170.53 and 4,816.86 is: 7,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.72 : 11,170.53 = 4,816.86 : x
  2. Step 2: Convert to fraction form
    7,449.72/11,170.53 = 4,816.86/x
  3. Step 3: Cross multiply
    7,449.72x = 11,170.53 × 4,816.86
  4. Step 4: Simplify right side
    7,449.72x = 53,806,879.14
  5. Step 5: Solve for x
    x = 53,806,879.14/7,449.72
  6. Step 6: Final answer
    x = 7,222.67

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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.