Home / 8,103.52-11,182.67-4,518.47

Finding the Fourth Proportional to 8,103.52, 11,182.67 and 4,518.47

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Solution

The fourth proportional to 8,103.52, 11,182.67 and 4,518.47 is: 6,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.52 : 11,182.67 = 4,518.47 : x
  2. Step 2: Convert to fraction form
    8,103.52/11,182.67 = 4,518.47/x
  3. Step 3: Cross multiply
    8,103.52x = 11,182.67 × 4,518.47
  4. Step 4: Simplify right side
    8,103.52x = 50,528,571.85
  5. Step 5: Solve for x
    x = 50,528,571.85/8,103.52
  6. Step 6: Final answer
    x = 6,235.39

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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.