Home / 11,756.36-17,628.33-5,179.46

Finding the Fourth Proportional to 11,756.36, 17,628.33 and 5,179.46

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Solution

The fourth proportional to 11,756.36, 17,628.33 and 5,179.46 is: 7,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.36 : 17,628.33 = 5,179.46 : x
  2. Step 2: Convert to fraction form
    11,756.36/17,628.33 = 5,179.46/x
  3. Step 3: Cross multiply
    11,756.36x = 17,628.33 × 5,179.46
  4. Step 4: Simplify right side
    11,756.36x = 91,305,230.10
  5. Step 5: Solve for x
    x = 91,305,230.10/11,756.36
  6. Step 6: Final answer
    x = 7,766.45

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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.