Home / 10,364.42-14,299.39-6,329.78

Finding the Fourth Proportional to 10,364.42, 14,299.39 and 6,329.78

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Solution

The fourth proportional to 10,364.42, 14,299.39 and 6,329.78 is: 8,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.42 : 14,299.39 = 6,329.78 : x
  2. Step 2: Convert to fraction form
    10,364.42/14,299.39 = 6,329.78/x
  3. Step 3: Cross multiply
    10,364.42x = 14,299.39 × 6,329.78
  4. Step 4: Simplify right side
    10,364.42x = 90,511,992.83
  5. Step 5: Solve for x
    x = 90,511,992.83/10,364.42
  6. Step 6: Final answer
    x = 8,732.95

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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.