Home / 6,979.38-10,450.74-5,866.05

Finding the Fourth Proportional to 6,979.38, 10,450.74 and 5,866.05

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Solution

The fourth proportional to 6,979.38, 10,450.74 and 5,866.05 is: 8,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.38 : 10,450.74 = 5,866.05 : x
  2. Step 2: Convert to fraction form
    6,979.38/10,450.74 = 5,866.05/x
  3. Step 3: Cross multiply
    6,979.38x = 10,450.74 × 5,866.05
  4. Step 4: Simplify right side
    6,979.38x = 61,304,563.38
  5. Step 5: Solve for x
    x = 61,304,563.38/6,979.38
  6. Step 6: Final answer
    x = 8,783.67

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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.