Home / 11,228.56-16,842.20-3,436.76

Finding the Fourth Proportional to 11,228.56, 16,842.20 and 3,436.76

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Solution

The fourth proportional to 11,228.56, 16,842.20 and 3,436.76 is: 5,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.56 : 16,842.20 = 3,436.76 : x
  2. Step 2: Convert to fraction form
    11,228.56/16,842.20 = 3,436.76/x
  3. Step 3: Cross multiply
    11,228.56x = 16,842.20 × 3,436.76
  4. Step 4: Simplify right side
    11,228.56x = 57,882,599.27
  5. Step 5: Solve for x
    x = 57,882,599.27/11,228.56
  6. Step 6: Final answer
    x = 5,154.94

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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.