Home / 12,273.74-16,936.96-7,237.72

Finding the Fourth Proportional to 12,273.74, 16,936.96 and 7,237.72

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Solution

The fourth proportional to 12,273.74, 16,936.96 and 7,237.72 is: 9,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.74 : 16,936.96 = 7,237.72 : x
  2. Step 2: Convert to fraction form
    12,273.74/16,936.96 = 7,237.72/x
  3. Step 3: Cross multiply
    12,273.74x = 16,936.96 × 7,237.72
  4. Step 4: Simplify right side
    12,273.74x = 122,584,974.13
  5. Step 5: Solve for x
    x = 122,584,974.13/12,273.74
  6. Step 6: Final answer
    x = 9,987.58

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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.