Home / 11,415.60-17,123.24-3,624.48

Finding the Fourth Proportional to 11,415.60, 17,123.24 and 3,624.48

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Solution

The fourth proportional to 11,415.60, 17,123.24 and 3,624.48 is: 5,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.60 : 17,123.24 = 3,624.48 : x
  2. Step 2: Convert to fraction form
    11,415.60/17,123.24 = 3,624.48/x
  3. Step 3: Cross multiply
    11,415.60x = 17,123.24 × 3,624.48
  4. Step 4: Simplify right side
    11,415.60x = 62,062,840.92
  5. Step 5: Solve for x
    x = 62,062,840.92/11,415.60
  6. Step 6: Final answer
    x = 5,436.67

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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.