Home / 10,625.35-15,932.86-6,412.95

Finding the Fourth Proportional to 10,625.35, 15,932.86 and 6,412.95

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Solution

The fourth proportional to 10,625.35, 15,932.86 and 6,412.95 is: 9,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.35 : 15,932.86 = 6,412.95 : x
  2. Step 2: Convert to fraction form
    10,625.35/15,932.86 = 6,412.95/x
  3. Step 3: Cross multiply
    10,625.35x = 15,932.86 × 6,412.95
  4. Step 4: Simplify right side
    10,625.35x = 102,176,634.54
  5. Step 5: Solve for x
    x = 102,176,634.54/10,625.35
  6. Step 6: Final answer
    x = 9,616.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.