Home / 10,855.95-16,282.26-4,191.51

Finding the Fourth Proportional to 10,855.95, 16,282.26 and 4,191.51

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Solution

The fourth proportional to 10,855.95, 16,282.26 and 4,191.51 is: 6,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.95 : 16,282.26 = 4,191.51 : x
  2. Step 2: Convert to fraction form
    10,855.95/16,282.26 = 4,191.51/x
  3. Step 3: Cross multiply
    10,855.95x = 16,282.26 × 4,191.51
  4. Step 4: Simplify right side
    10,855.95x = 68,247,255.61
  5. Step 5: Solve for x
    x = 68,247,255.61/10,855.95
  6. Step 6: Final answer
    x = 6,286.62

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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.