Home / 7,943.42-11,923.74-5,974.67

Finding the Fourth Proportional to 7,943.42, 11,923.74 and 5,974.67

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Solution

The fourth proportional to 7,943.42, 11,923.74 and 5,974.67 is: 8,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.42 : 11,923.74 = 5,974.67 : x
  2. Step 2: Convert to fraction form
    7,943.42/11,923.74 = 5,974.67/x
  3. Step 3: Cross multiply
    7,943.42x = 11,923.74 × 5,974.67
  4. Step 4: Simplify right side
    7,943.42x = 71,240,411.67
  5. Step 5: Solve for x
    x = 71,240,411.67/7,943.42
  6. Step 6: Final answer
    x = 8,968.48

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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.