Home / 12,509.74-18,764.62-5,016.70

Finding the Fourth Proportional to 12,509.74, 18,764.62 and 5,016.70

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Solution

The fourth proportional to 12,509.74, 18,764.62 and 5,016.70 is: 7,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.74 : 18,764.62 = 5,016.70 : x
  2. Step 2: Convert to fraction form
    12,509.74/18,764.62 = 5,016.70/x
  3. Step 3: Cross multiply
    12,509.74x = 18,764.62 × 5,016.70
  4. Step 4: Simplify right side
    12,509.74x = 94,136,469.15
  5. Step 5: Solve for x
    x = 94,136,469.15/12,509.74
  6. Step 6: Final answer
    x = 7,525.05

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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.