Home / 7,928.42-10,923.60-5,234.84

Finding the Fourth Proportional to 7,928.42, 10,923.60 and 5,234.84

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Solution

The fourth proportional to 7,928.42, 10,923.60 and 5,234.84 is: 7,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.42 : 10,923.60 = 5,234.84 : x
  2. Step 2: Convert to fraction form
    7,928.42/10,923.60 = 5,234.84/x
  3. Step 3: Cross multiply
    7,928.42x = 10,923.60 × 5,234.84
  4. Step 4: Simplify right side
    7,928.42x = 57,183,325.53
  5. Step 5: Solve for x
    x = 57,183,325.53/7,928.42
  6. Step 6: Final answer
    x = 7,212.45

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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.