Home / 12,234.06-18,362.25-7,563.12

Finding the Fourth Proportional to 12,234.06, 18,362.25 and 7,563.12

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Solution

The fourth proportional to 12,234.06, 18,362.25 and 7,563.12 is: 11,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.06 : 18,362.25 = 7,563.12 : x
  2. Step 2: Convert to fraction form
    12,234.06/18,362.25 = 7,563.12/x
  3. Step 3: Cross multiply
    12,234.06x = 18,362.25 × 7,563.12
  4. Step 4: Simplify right side
    12,234.06x = 138,875,900.22
  5. Step 5: Solve for x
    x = 138,875,900.22/12,234.06
  6. Step 6: Final answer
    x = 11,351.58

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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.