Home / 12,080.35-16,670.64-6,776.88

Finding the Fourth Proportional to 12,080.35, 16,670.64 and 6,776.88

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Solution

The fourth proportional to 12,080.35, 16,670.64 and 6,776.88 is: 9,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.35 : 16,670.64 = 6,776.88 : x
  2. Step 2: Convert to fraction form
    12,080.35/16,670.64 = 6,776.88/x
  3. Step 3: Cross multiply
    12,080.35x = 16,670.64 × 6,776.88
  4. Step 4: Simplify right side
    12,080.35x = 112,974,926.80
  5. Step 5: Solve for x
    x = 112,974,926.80/12,080.35
  6. Step 6: Final answer
    x = 9,351.96

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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.