Home / 9,082.73-12,517.84-6,720.77

Finding the Fourth Proportional to 9,082.73, 12,517.84 and 6,720.77

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Solution

The fourth proportional to 9,082.73, 12,517.84 and 6,720.77 is: 9,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.73 : 12,517.84 = 6,720.77 : x
  2. Step 2: Convert to fraction form
    9,082.73/12,517.84 = 6,720.77/x
  3. Step 3: Cross multiply
    9,082.73x = 12,517.84 × 6,720.77
  4. Step 4: Simplify right side
    9,082.73x = 84,129,563.23
  5. Step 5: Solve for x
    x = 84,129,563.23/9,082.73
  6. Step 6: Final answer
    x = 9,262.58

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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.