Home / 8,390.37-11,579.32-5,033.33

Finding the Fourth Proportional to 8,390.37, 11,579.32 and 5,033.33

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Solution

The fourth proportional to 8,390.37, 11,579.32 and 5,033.33 is: 6,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.37 : 11,579.32 = 5,033.33 : x
  2. Step 2: Convert to fraction form
    8,390.37/11,579.32 = 5,033.33/x
  3. Step 3: Cross multiply
    8,390.37x = 11,579.32 × 5,033.33
  4. Step 4: Simplify right side
    8,390.37x = 58,282,538.74
  5. Step 5: Solve for x
    x = 58,282,538.74/8,390.37
  6. Step 6: Final answer
    x = 6,946.36

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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.