Home / 12,495.08-18,742.62-4,173.56

Finding the Fourth Proportional to 12,495.08, 18,742.62 and 4,173.56

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Solution

The fourth proportional to 12,495.08, 18,742.62 and 4,173.56 is: 6,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.08 : 18,742.62 = 4,173.56 : x
  2. Step 2: Convert to fraction form
    12,495.08/18,742.62 = 4,173.56/x
  3. Step 3: Cross multiply
    12,495.08x = 18,742.62 × 4,173.56
  4. Step 4: Simplify right side
    12,495.08x = 78,223,449.13
  5. Step 5: Solve for x
    x = 78,223,449.13/12,495.08
  6. Step 6: Final answer
    x = 6,260.34

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Similar ratio
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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.