Home / 10,816.84-16,225.21-4,238.38

Finding the Fourth Proportional to 10,816.84, 16,225.21 and 4,238.38

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Solution

The fourth proportional to 10,816.84, 16,225.21 and 4,238.38 is: 6,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.84 : 16,225.21 = 4,238.38 : x
  2. Step 2: Convert to fraction form
    10,816.84/16,225.21 = 4,238.38/x
  3. Step 3: Cross multiply
    10,816.84x = 16,225.21 × 4,238.38
  4. Step 4: Simplify right side
    10,816.84x = 68,768,605.56
  5. Step 5: Solve for x
    x = 68,768,605.56/10,816.84
  6. Step 6: Final answer
    x = 6,357.55

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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.