Home / 7,949.10-11,923.65-5,771.67

Finding the Fourth Proportional to 7,949.10, 11,923.65 and 5,771.67

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Solution

The fourth proportional to 7,949.10, 11,923.65 and 5,771.67 is: 8,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.10 : 11,923.65 = 5,771.67 : x
  2. Step 2: Convert to fraction form
    7,949.10/11,923.65 = 5,771.67/x
  3. Step 3: Cross multiply
    7,949.10x = 11,923.65 × 5,771.67
  4. Step 4: Simplify right side
    7,949.10x = 68,819,373.00
  5. Step 5: Solve for x
    x = 68,819,373.00/7,949.10
  6. Step 6: Final answer
    x = 8,657.51

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Double scale
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Similar ratio
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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.