Home / 12,493.04-18,739.55-5,100.98

Finding the Fourth Proportional to 12,493.04, 18,739.55 and 5,100.98

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Solution

The fourth proportional to 12,493.04, 18,739.55 and 5,100.98 is: 7,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.04 : 18,739.55 = 5,100.98 : x
  2. Step 2: Convert to fraction form
    12,493.04/18,739.55 = 5,100.98/x
  3. Step 3: Cross multiply
    12,493.04x = 18,739.55 × 5,100.98
  4. Step 4: Simplify right side
    12,493.04x = 95,589,988.81
  5. Step 5: Solve for x
    x = 95,589,988.81/12,493.04
  6. Step 6: Final answer
    x = 7,651.46

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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.