Home / 8,146.32-11,238.53-4,958.43

Finding the Fourth Proportional to 8,146.32, 11,238.53 and 4,958.43

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Solution

The fourth proportional to 8,146.32, 11,238.53 and 4,958.43 is: 6,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.32 : 11,238.53 = 4,958.43 : x
  2. Step 2: Convert to fraction form
    8,146.32/11,238.53 = 4,958.43/x
  3. Step 3: Cross multiply
    8,146.32x = 11,238.53 × 4,958.43
  4. Step 4: Simplify right side
    8,146.32x = 55,725,439.52
  5. Step 5: Solve for x
    x = 55,725,439.52/8,146.32
  6. Step 6: Final answer
    x = 6,840.57

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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.