Home / 12,273.72-16,940.97-7,561.92

Finding the Fourth Proportional to 12,273.72, 16,940.97 and 7,561.92

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Solution

The fourth proportional to 12,273.72, 16,940.97 and 7,561.92 is: 10,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.72 : 16,940.97 = 7,561.92 : x
  2. Step 2: Convert to fraction form
    12,273.72/16,940.97 = 7,561.92/x
  3. Step 3: Cross multiply
    12,273.72x = 16,940.97 × 7,561.92
  4. Step 4: Simplify right side
    12,273.72x = 128,106,259.86
  5. Step 5: Solve for x
    x = 128,106,259.86/12,273.72
  6. Step 6: Final answer
    x = 10,437.44

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Double scale
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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.