Home / 11,947.63-17,925.06-4,828.21

Finding the Fourth Proportional to 11,947.63, 17,925.06 and 4,828.21

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Solution

The fourth proportional to 11,947.63, 17,925.06 and 4,828.21 is: 7,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.63 : 17,925.06 = 4,828.21 : x
  2. Step 2: Convert to fraction form
    11,947.63/17,925.06 = 4,828.21/x
  3. Step 3: Cross multiply
    11,947.63x = 17,925.06 × 4,828.21
  4. Step 4: Simplify right side
    11,947.63x = 86,545,953.94
  5. Step 5: Solve for x
    x = 86,545,953.94/11,947.63
  6. Step 6: Final answer
    x = 7,243.78

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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.