Home / 8,969.05-13,474.23-5,647.65

Finding the Fourth Proportional to 8,969.05, 13,474.23 and 5,647.65

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Solution

The fourth proportional to 8,969.05, 13,474.23 and 5,647.65 is: 8,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.05 : 13,474.23 = 5,647.65 : x
  2. Step 2: Convert to fraction form
    8,969.05/13,474.23 = 5,647.65/x
  3. Step 3: Cross multiply
    8,969.05x = 13,474.23 × 5,647.65
  4. Step 4: Simplify right side
    8,969.05x = 76,097,735.06
  5. Step 5: Solve for x
    x = 76,097,735.06/8,969.05
  6. Step 6: Final answer
    x = 8,484.48

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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.