Home / 8,783.82-12,121.38-5,244.93

Finding the Fourth Proportional to 8,783.82, 12,121.38 and 5,244.93

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Solution

The fourth proportional to 8,783.82, 12,121.38 and 5,244.93 is: 7,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.82 : 12,121.38 = 5,244.93 : x
  2. Step 2: Convert to fraction form
    8,783.82/12,121.38 = 5,244.93/x
  3. Step 3: Cross multiply
    8,783.82x = 12,121.38 × 5,244.93
  4. Step 4: Simplify right side
    8,783.82x = 63,575,789.60
  5. Step 5: Solve for x
    x = 63,575,789.60/8,783.82
  6. Step 6: Final answer
    x = 7,237.83

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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.