Home / 12,076.28-16,665.78-6,770.92

Finding the Fourth Proportional to 12,076.28, 16,665.78 and 6,770.92

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Solution

The fourth proportional to 12,076.28, 16,665.78 and 6,770.92 is: 9,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.28 : 16,665.78 = 6,770.92 : x
  2. Step 2: Convert to fraction form
    12,076.28/16,665.78 = 6,770.92/x
  3. Step 3: Cross multiply
    12,076.28x = 16,665.78 × 6,770.92
  4. Step 4: Simplify right side
    12,076.28x = 112,842,663.12
  5. Step 5: Solve for x
    x = 112,842,663.12/12,076.28
  6. Step 6: Final answer
    x = 9,344.16

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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.