Home / 12,076.38-16,666.02-6,770.88

Finding the Fourth Proportional to 12,076.38, 16,666.02 and 6,770.88

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Solution

The fourth proportional to 12,076.38, 16,666.02 and 6,770.88 is: 9,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.38 : 16,666.02 = 6,770.88 : x
  2. Step 2: Convert to fraction form
    12,076.38/16,666.02 = 6,770.88/x
  3. Step 3: Cross multiply
    12,076.38x = 16,666.02 × 6,770.88
  4. Step 4: Simplify right side
    12,076.38x = 112,843,621.50
  5. Step 5: Solve for x
    x = 112,843,621.50/12,076.38
  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.