Home / 10,816.52-16,218.21-4,234.82

Finding the Fourth Proportional to 10,816.52, 16,218.21 and 4,234.82

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Solution

The fourth proportional to 10,816.52, 16,218.21 and 4,234.82 is: 6,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.52 : 16,218.21 = 4,234.82 : x
  2. Step 2: Convert to fraction form
    10,816.52/16,218.21 = 4,234.82/x
  3. Step 3: Cross multiply
    10,816.52x = 16,218.21 × 4,234.82
  4. Step 4: Simplify right side
    10,816.52x = 68,681,200.07
  5. Step 5: Solve for x
    x = 68,681,200.07/10,816.52
  6. Step 6: Final answer
    x = 6,349.66

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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.