Home / 12,501.16-18,754.44-3,736.78

Finding the Fourth Proportional to 12,501.16, 18,754.44 and 3,736.78

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Solution

The fourth proportional to 12,501.16, 18,754.44 and 3,736.78 is: 5,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.16 : 18,754.44 = 3,736.78 : x
  2. Step 2: Convert to fraction form
    12,501.16/18,754.44 = 3,736.78/x
  3. Step 3: Cross multiply
    12,501.16x = 18,754.44 × 3,736.78
  4. Step 4: Simplify right side
    12,501.16x = 70,081,216.30
  5. Step 5: Solve for x
    x = 70,081,216.30/12,501.16
  6. Step 6: Final answer
    x = 5,605.98

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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.