Home / 6,911.10-10,344.60-5,453.10

Finding the Fourth Proportional to 6,911.10, 10,344.60 and 5,453.10

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Solution

The fourth proportional to 6,911.10, 10,344.60 and 5,453.10 is: 8,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.10 : 10,344.60 = 5,453.10 : x
  2. Step 2: Convert to fraction form
    6,911.10/10,344.60 = 5,453.10/x
  3. Step 3: Cross multiply
    6,911.10x = 10,344.60 × 5,453.10
  4. Step 4: Simplify right side
    6,911.10x = 56,410,138.26
  5. Step 5: Solve for x
    x = 56,410,138.26/6,911.10
  6. Step 6: Final answer
    x = 8,162.25

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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.