Home / 17,110.12-25,661.30-5,416.96

Finding the Fourth Proportional to 17,110.12, 25,661.30 and 5,416.96

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Solution

The fourth proportional to 17,110.12, 25,661.30 and 5,416.96 is: 8,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.12 : 25,661.30 = 5,416.96 : x
  2. Step 2: Convert to fraction form
    17,110.12/25,661.30 = 5,416.96/x
  3. Step 3: Cross multiply
    17,110.12x = 25,661.30 × 5,416.96
  4. Step 4: Simplify right side
    17,110.12x = 139,006,107.34
  5. Step 5: Solve for x
    x = 139,006,107.34/17,110.12
  6. Step 6: Final answer
    x = 8,124.21

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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.