Home / 11,191.14-16,772.34-4,621.95

Finding the Fourth Proportional to 11,191.14, 16,772.34 and 4,621.95

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Solution

The fourth proportional to 11,191.14, 16,772.34 and 4,621.95 is: 6,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.14 : 16,772.34 = 4,621.95 : x
  2. Step 2: Convert to fraction form
    11,191.14/16,772.34 = 4,621.95/x
  3. Step 3: Cross multiply
    11,191.14x = 16,772.34 × 4,621.95
  4. Step 4: Simplify right side
    11,191.14x = 77,520,916.86
  5. Step 5: Solve for x
    x = 77,520,916.86/11,191.14
  6. Step 6: Final answer
    x = 6,926.99

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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.