Home / 8,295.12-12,443.76-5,481.36

Finding the Fourth Proportional to 8,295.12, 12,443.76 and 5,481.36

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Solution

The fourth proportional to 8,295.12, 12,443.76 and 5,481.36 is: 8,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.12 : 12,443.76 = 5,481.36 : x
  2. Step 2: Convert to fraction form
    8,295.12/12,443.76 = 5,481.36/x
  3. Step 3: Cross multiply
    8,295.12x = 12,443.76 × 5,481.36
  4. Step 4: Simplify right side
    8,295.12x = 68,208,728.31
  5. Step 5: Solve for x
    x = 68,208,728.31/8,295.12
  6. Step 6: Final answer
    x = 8,222.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.