Home / 8,133.68-11,226.60-5,150.96

Finding the Fourth Proportional to 8,133.68, 11,226.60 and 5,150.96

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Solution

The fourth proportional to 8,133.68, 11,226.60 and 5,150.96 is: 7,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.68 : 11,226.60 = 5,150.96 : x
  2. Step 2: Convert to fraction form
    8,133.68/11,226.60 = 5,150.96/x
  3. Step 3: Cross multiply
    8,133.68x = 11,226.60 × 5,150.96
  4. Step 4: Simplify right side
    8,133.68x = 57,827,767.54
  5. Step 5: Solve for x
    x = 57,827,767.54/8,133.68
  6. Step 6: Final answer
    x = 7,109.67

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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.