Home / 12,272.48-16,936.55-6,967.79

Finding the Fourth Proportional to 12,272.48, 16,936.55 and 6,967.79

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Solution

The fourth proportional to 12,272.48, 16,936.55 and 6,967.79 is: 9,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.48 : 16,936.55 = 6,967.79 : x
  2. Step 2: Convert to fraction form
    12,272.48/16,936.55 = 6,967.79/x
  3. Step 3: Cross multiply
    12,272.48x = 16,936.55 × 6,967.79
  4. Step 4: Simplify right side
    12,272.48x = 118,010,323.72
  5. Step 5: Solve for x
    x = 118,010,323.72/12,272.48
  6. Step 6: Final answer
    x = 9,615.85

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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.