Home / 8,111.45-11,192.69-4,525.99

Finding the Fourth Proportional to 8,111.45, 11,192.69 and 4,525.99

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Solution

The fourth proportional to 8,111.45, 11,192.69 and 4,525.99 is: 6,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.45 : 11,192.69 = 4,525.99 : x
  2. Step 2: Convert to fraction form
    8,111.45/11,192.69 = 4,525.99/x
  3. Step 3: Cross multiply
    8,111.45x = 11,192.69 × 4,525.99
  4. Step 4: Simplify right side
    8,111.45x = 50,657,986.35
  5. Step 5: Solve for x
    x = 50,657,986.35/8,111.45
  6. Step 6: Final answer
    x = 6,245.24

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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.