Home / 7,834.46-10,811.78-4,297.89

Finding the Fourth Proportional to 7,834.46, 10,811.78 and 4,297.89

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Solution

The fourth proportional to 7,834.46, 10,811.78 and 4,297.89 is: 5,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.46 : 10,811.78 = 4,297.89 : x
  2. Step 2: Convert to fraction form
    7,834.46/10,811.78 = 4,297.89/x
  3. Step 3: Cross multiply
    7,834.46x = 10,811.78 × 4,297.89
  4. Step 4: Simplify right side
    7,834.46x = 46,467,819.65
  5. Step 5: Solve for x
    x = 46,467,819.65/7,834.46
  6. Step 6: Final answer
    x = 5,931.21

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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.