Home / 11,922.57-17,886.29-4,525.65

Finding the Fourth Proportional to 11,922.57, 17,886.29 and 4,525.65

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Solution

The fourth proportional to 11,922.57, 17,886.29 and 4,525.65 is: 6,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.57 : 17,886.29 = 4,525.65 : x
  2. Step 2: Convert to fraction form
    11,922.57/17,886.29 = 4,525.65/x
  3. Step 3: Cross multiply
    11,922.57x = 17,886.29 × 4,525.65
  4. Step 4: Simplify right side
    11,922.57x = 80,947,065.71
  5. Step 5: Solve for x
    x = 80,947,065.71/11,922.57
  6. Step 6: Final answer
    x = 6,789.40

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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.