Home / 10,809.56-16,219.20-4,233.56

Finding the Fourth Proportional to 10,809.56, 16,219.20 and 4,233.56

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Solution

The fourth proportional to 10,809.56, 16,219.20 and 4,233.56 is: 6,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.56 : 16,219.20 = 4,233.56 : x
  2. Step 2: Convert to fraction form
    10,809.56/16,219.20 = 4,233.56/x
  3. Step 3: Cross multiply
    10,809.56x = 16,219.20 × 4,233.56
  4. Step 4: Simplify right side
    10,809.56x = 68,664,956.35
  5. Step 5: Solve for x
    x = 68,664,956.35/10,809.56
  6. Step 6: Final answer
    x = 6,352.24

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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.