Home / 8,120.37-11,205.09-4,582.98

Finding the Fourth Proportional to 8,120.37, 11,205.09 and 4,582.98

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Solution

The fourth proportional to 8,120.37, 11,205.09 and 4,582.98 is: 6,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.37 : 11,205.09 = 4,582.98 : x
  2. Step 2: Convert to fraction form
    8,120.37/11,205.09 = 4,582.98/x
  3. Step 3: Cross multiply
    8,120.37x = 11,205.09 × 4,582.98
  4. Step 4: Simplify right side
    8,120.37x = 51,352,703.37
  5. Step 5: Solve for x
    x = 51,352,703.37/8,120.37
  6. Step 6: Final answer
    x = 6,323.94

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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.