Home / 11,839.24-16,339.62-7,644.52

Finding the Fourth Proportional to 11,839.24, 16,339.62 and 7,644.52

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Solution

The fourth proportional to 11,839.24, 16,339.62 and 7,644.52 is: 10,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.24 : 16,339.62 = 7,644.52 : x
  2. Step 2: Convert to fraction form
    11,839.24/16,339.62 = 7,644.52/x
  3. Step 3: Cross multiply
    11,839.24x = 16,339.62 × 7,644.52
  4. Step 4: Simplify right side
    11,839.24x = 124,908,551.88
  5. Step 5: Solve for x
    x = 124,908,551.88/11,839.24
  6. Step 6: Final answer
    x = 10,550.39

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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.