Home / 9,230.87-12,736.54-5,451.46

Finding the Fourth Proportional to 9,230.87, 12,736.54 and 5,451.46

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Solution

The fourth proportional to 9,230.87, 12,736.54 and 5,451.46 is: 7,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.87 : 12,736.54 = 5,451.46 : x
  2. Step 2: Convert to fraction form
    9,230.87/12,736.54 = 5,451.46/x
  3. Step 3: Cross multiply
    9,230.87x = 12,736.54 × 5,451.46
  4. Step 4: Simplify right side
    9,230.87x = 69,432,692.88
  5. Step 5: Solve for x
    x = 69,432,692.88/9,230.87
  6. Step 6: Final answer
    x = 7,521.79

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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.