Home / 11,508.18-17,300.99-9,072.41

Finding the Fourth Proportional to 11,508.18, 17,300.99 and 9,072.41

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Solution

The fourth proportional to 11,508.18, 17,300.99 and 9,072.41 is: 13,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.18 : 17,300.99 = 9,072.41 : x
  2. Step 2: Convert to fraction form
    11,508.18/17,300.99 = 9,072.41/x
  3. Step 3: Cross multiply
    11,508.18x = 17,300.99 × 9,072.41
  4. Step 4: Simplify right side
    11,508.18x = 156,961,610.86
  5. Step 5: Solve for x
    x = 156,961,610.86/11,508.18
  6. Step 6: Final answer
    x = 13,639.14

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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.