Home / 8,133.87-11,223.21-5,150.69

Finding the Fourth Proportional to 8,133.87, 11,223.21 and 5,150.69

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Solution

The fourth proportional to 8,133.87, 11,223.21 and 5,150.69 is: 7,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.87 : 11,223.21 = 5,150.69 : x
  2. Step 2: Convert to fraction form
    8,133.87/11,223.21 = 5,150.69/x
  3. Step 3: Cross multiply
    8,133.87x = 11,223.21 × 5,150.69
  4. Step 4: Simplify right side
    8,133.87x = 57,807,251.83
  5. Step 5: Solve for x
    x = 57,807,251.83/8,133.87
  6. Step 6: Final answer
    x = 7,106.98

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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.