Home / 12,298.49-18,450.47-3,532.73

Finding the Fourth Proportional to 12,298.49, 18,450.47 and 3,532.73

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Solution

The fourth proportional to 12,298.49, 18,450.47 and 3,532.73 is: 5,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.49 : 18,450.47 = 3,532.73 : x
  2. Step 2: Convert to fraction form
    12,298.49/18,450.47 = 3,532.73/x
  3. Step 3: Cross multiply
    12,298.49x = 18,450.47 × 3,532.73
  4. Step 4: Simplify right side
    12,298.49x = 65,180,528.88
  5. Step 5: Solve for x
    x = 65,180,528.88/12,298.49
  6. Step 6: Final answer
    x = 5,299.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.