Home / 10,950.69-16,433.95-4,378.71

Finding the Fourth Proportional to 10,950.69, 16,433.95 and 4,378.71

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Solution

The fourth proportional to 10,950.69, 16,433.95 and 4,378.71 is: 6,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.69 : 16,433.95 = 4,378.71 : x
  2. Step 2: Convert to fraction form
    10,950.69/16,433.95 = 4,378.71/x
  3. Step 3: Cross multiply
    10,950.69x = 16,433.95 × 4,378.71
  4. Step 4: Simplify right side
    10,950.69x = 71,959,436.84
  5. Step 5: Solve for x
    x = 71,959,436.84/10,950.69
  6. Step 6: Final answer
    x = 6,571.23

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1.5x scale

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.