Home / 11,537.18-15,921.30-6,231.99

Finding the Fourth Proportional to 11,537.18, 15,921.30 and 6,231.99

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Solution

The fourth proportional to 11,537.18, 15,921.30 and 6,231.99 is: 8,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.18 : 15,921.30 = 6,231.99 : x
  2. Step 2: Convert to fraction form
    11,537.18/15,921.30 = 6,231.99/x
  3. Step 3: Cross multiply
    11,537.18x = 15,921.30 × 6,231.99
  4. Step 4: Simplify right side
    11,537.18x = 99,221,351.23
  5. Step 5: Solve for x
    x = 99,221,351.23/11,537.18
  6. Step 6: Final answer
    x = 8,600.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.