Home / 12,346.56-18,520.68-4,555.92

Finding the Fourth Proportional to 12,346.56, 18,520.68 and 4,555.92

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Solution

The fourth proportional to 12,346.56, 18,520.68 and 4,555.92 is: 6,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.56 : 18,520.68 = 4,555.92 : x
  2. Step 2: Convert to fraction form
    12,346.56/18,520.68 = 4,555.92/x
  3. Step 3: Cross multiply
    12,346.56x = 18,520.68 × 4,555.92
  4. Step 4: Simplify right side
    12,346.56x = 84,378,736.43
  5. Step 5: Solve for x
    x = 84,378,736.43/12,346.56
  6. Step 6: Final answer
    x = 6,834.19

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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.