Home / 10,810.56-16,220.70-4,234.56

Finding the Fourth Proportional to 10,810.56, 16,220.70 and 4,234.56

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Solution

The fourth proportional to 10,810.56, 16,220.70 and 4,234.56 is: 6,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.56 : 16,220.70 = 4,234.56 : x
  2. Step 2: Convert to fraction form
    10,810.56/16,220.70 = 4,234.56/x
  3. Step 3: Cross multiply
    10,810.56x = 16,220.70 × 4,234.56
  4. Step 4: Simplify right side
    10,810.56x = 68,687,527.39
  5. Step 5: Solve for x
    x = 68,687,527.39/10,810.56
  6. Step 6: Final answer
    x = 6,353.74

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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.