Home / 11,965.32-17,947.98-5,722.65

Finding the Fourth Proportional to 11,965.32, 17,947.98 and 5,722.65

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Solution

The fourth proportional to 11,965.32, 17,947.98 and 5,722.65 is: 8,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.32 : 17,947.98 = 5,722.65 : x
  2. Step 2: Convert to fraction form
    11,965.32/17,947.98 = 5,722.65/x
  3. Step 3: Cross multiply
    11,965.32x = 17,947.98 × 5,722.65
  4. Step 4: Simplify right side
    11,965.32x = 102,710,007.75
  5. Step 5: Solve for x
    x = 102,710,007.75/11,965.32
  6. Step 6: Final answer
    x = 8,583.98

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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.