Home / 8,255.09-11,390.35-4,896.43

Finding the Fourth Proportional to 8,255.09, 11,390.35 and 4,896.43

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Solution

The fourth proportional to 8,255.09, 11,390.35 and 4,896.43 is: 6,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.09 : 11,390.35 = 4,896.43 : x
  2. Step 2: Convert to fraction form
    8,255.09/11,390.35 = 4,896.43/x
  3. Step 3: Cross multiply
    8,255.09x = 11,390.35 × 4,896.43
  4. Step 4: Simplify right side
    8,255.09x = 55,772,051.45
  5. Step 5: Solve for x
    x = 55,772,051.45/8,255.09
  6. Step 6: Final answer
    x = 6,756.08

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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.