Home / 11,141.80-16,709.96-4,569.86

Finding the Fourth Proportional to 11,141.80, 16,709.96 and 4,569.86

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Solution

The fourth proportional to 11,141.80, 16,709.96 and 4,569.86 is: 6,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.80 : 16,709.96 = 4,569.86 : x
  2. Step 2: Convert to fraction form
    11,141.80/16,709.96 = 4,569.86/x
  3. Step 3: Cross multiply
    11,141.80x = 16,709.96 × 4,569.86
  4. Step 4: Simplify right side
    11,141.80x = 76,362,231.01
  5. Step 5: Solve for x
    x = 76,362,231.01/11,141.80
  6. Step 6: Final answer
    x = 6,853.67

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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.