Home / 10,767.60-16,163.55-8,313.30

Finding the Fourth Proportional to 10,767.60, 16,163.55 and 8,313.30

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Solution

The fourth proportional to 10,767.60, 16,163.55 and 8,313.30 is: 12,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.60 : 16,163.55 = 8,313.30 : x
  2. Step 2: Convert to fraction form
    10,767.60/16,163.55 = 8,313.30/x
  3. Step 3: Cross multiply
    10,767.60x = 16,163.55 × 8,313.30
  4. Step 4: Simplify right side
    10,767.60x = 134,372,440.22
  5. Step 5: Solve for x
    x = 134,372,440.22/10,767.60
  6. Step 6: Final answer
    x = 12,479.33

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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.