Home / 8,650.44-11,936.89-4,872.40

Finding the Fourth Proportional to 8,650.44, 11,936.89 and 4,872.40

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Solution

The fourth proportional to 8,650.44, 11,936.89 and 4,872.40 is: 6,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.44 : 11,936.89 = 4,872.40 : x
  2. Step 2: Convert to fraction form
    8,650.44/11,936.89 = 4,872.40/x
  3. Step 3: Cross multiply
    8,650.44x = 11,936.89 × 4,872.40
  4. Step 4: Simplify right side
    8,650.44x = 58,161,302.84
  5. Step 5: Solve for x
    x = 58,161,302.84/8,650.44
  6. Step 6: Final answer
    x = 6,723.51

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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.