Home / 12,076.70-16,665.98-6,699.24

Finding the Fourth Proportional to 12,076.70, 16,665.98 and 6,699.24

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Solution

The fourth proportional to 12,076.70, 16,665.98 and 6,699.24 is: 9,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.70 : 16,665.98 = 6,699.24 : x
  2. Step 2: Convert to fraction form
    12,076.70/16,665.98 = 6,699.24/x
  3. Step 3: Cross multiply
    12,076.70x = 16,665.98 × 6,699.24
  4. Step 4: Simplify right side
    12,076.70x = 111,649,366.36
  5. Step 5: Solve for x
    x = 111,649,366.36/12,076.70
  6. Step 6: Final answer
    x = 9,245.03

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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.