Home / 10,850.71-16,278.10-4,928.02

Finding the Fourth Proportional to 10,850.71, 16,278.10 and 4,928.02

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Solution

The fourth proportional to 10,850.71, 16,278.10 and 4,928.02 is: 7,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.71 : 16,278.10 = 4,928.02 : x
  2. Step 2: Convert to fraction form
    10,850.71/16,278.10 = 4,928.02/x
  3. Step 3: Cross multiply
    10,850.71x = 16,278.10 × 4,928.02
  4. Step 4: Simplify right side
    10,850.71x = 80,218,802.36
  5. Step 5: Solve for x
    x = 80,218,802.36/10,850.71
  6. Step 6: Final answer
    x = 7,392.95

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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.