Home / 11,323.81-16,979.23-4,744.45

Finding the Fourth Proportional to 11,323.81, 16,979.23 and 4,744.45

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Solution

The fourth proportional to 11,323.81, 16,979.23 and 4,744.45 is: 7,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.81 : 16,979.23 = 4,744.45 : x
  2. Step 2: Convert to fraction form
    11,323.81/16,979.23 = 4,744.45/x
  3. Step 3: Cross multiply
    11,323.81x = 16,979.23 × 4,744.45
  4. Step 4: Simplify right side
    11,323.81x = 80,557,107.77
  5. Step 5: Solve for x
    x = 80,557,107.77/11,323.81
  6. Step 6: Final answer
    x = 7,113.96

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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.