Home / 12,072.19-16,659.60-7,356.49

Finding the Fourth Proportional to 12,072.19, 16,659.60 and 7,356.49

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Solution

The fourth proportional to 12,072.19, 16,659.60 and 7,356.49 is: 10,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.19 : 16,659.60 = 7,356.49 : x
  2. Step 2: Convert to fraction form
    12,072.19/16,659.60 = 7,356.49/x
  3. Step 3: Cross multiply
    12,072.19x = 16,659.60 × 7,356.49
  4. Step 4: Simplify right side
    12,072.19x = 122,556,180.80
  5. Step 5: Solve for x
    x = 122,556,180.80/12,072.19
  6. Step 6: Final answer
    x = 10,151.94

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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.