Home / 12,081.42-16,673.18-6,776.73

Finding the Fourth Proportional to 12,081.42, 16,673.18 and 6,776.73

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Solution

The fourth proportional to 12,081.42, 16,673.18 and 6,776.73 is: 9,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.42 : 16,673.18 = 6,776.73 : x
  2. Step 2: Convert to fraction form
    12,081.42/16,673.18 = 6,776.73/x
  3. Step 3: Cross multiply
    12,081.42x = 16,673.18 × 6,776.73
  4. Step 4: Simplify right side
    12,081.42x = 112,989,605.22
  5. Step 5: Solve for x
    x = 112,989,605.22/12,081.42
  6. Step 6: Final answer
    x = 9,352.34

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Half scale
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Double scale
Find fourth proportional to 12,082.42, 16,674.56 and 6,777.73
Similar ratio
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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.