Home / 10,811.62-16,217.41-4,570

Finding the Fourth Proportional to 10,811.62, 16,217.41 and 4,570

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Solution

The fourth proportional to 10,811.62, 16,217.41 and 4,570 is: 6,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.62 : 16,217.41 = 4,570 : x
  2. Step 2: Convert to fraction form
    10,811.62/16,217.41 = 4,570/x
  3. Step 3: Cross multiply
    10,811.62x = 16,217.41 × 4,570
  4. Step 4: Simplify right side
    10,811.62x = 74,113,563.70
  5. Step 5: Solve for x
    x = 74,113,563.70/10,811.62
  6. Step 6: Final answer
    x = 6,854.99

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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.