Home / 11,450.03-15,798.65-6,731.78

Finding the Fourth Proportional to 11,450.03, 15,798.65 and 6,731.78

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Solution

The fourth proportional to 11,450.03, 15,798.65 and 6,731.78 is: 9,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.03 : 15,798.65 = 6,731.78 : x
  2. Step 2: Convert to fraction form
    11,450.03/15,798.65 = 6,731.78/x
  3. Step 3: Cross multiply
    11,450.03x = 15,798.65 × 6,731.78
  4. Step 4: Simplify right side
    11,450.03x = 106,352,923.44
  5. Step 5: Solve for x
    x = 106,352,923.44/11,450.03
  6. Step 6: Final answer
    x = 9,288.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.