Home / 8,147.54-11,243.04-4,790.50

Finding the Fourth Proportional to 8,147.54, 11,243.04 and 4,790.50

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Solution

The fourth proportional to 8,147.54, 11,243.04 and 4,790.50 is: 6,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.54 : 11,243.04 = 4,790.50 : x
  2. Step 2: Convert to fraction form
    8,147.54/11,243.04 = 4,790.50/x
  3. Step 3: Cross multiply
    8,147.54x = 11,243.04 × 4,790.50
  4. Step 4: Simplify right side
    8,147.54x = 53,859,783.12
  5. Step 5: Solve for x
    x = 53,859,783.12/8,147.54
  6. Step 6: Final answer
    x = 6,610.56

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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.