Home / 10,971.48-16,456.26-3,179.16

Finding the Fourth Proportional to 10,971.48, 16,456.26 and 3,179.16

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Solution

The fourth proportional to 10,971.48, 16,456.26 and 3,179.16 is: 4,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.48 : 16,456.26 = 3,179.16 : x
  2. Step 2: Convert to fraction form
    10,971.48/16,456.26 = 3,179.16/x
  3. Step 3: Cross multiply
    10,971.48x = 16,456.26 × 3,179.16
  4. Step 4: Simplify right side
    10,971.48x = 52,317,083.54
  5. Step 5: Solve for x
    x = 52,317,083.54/10,971.48
  6. Step 6: Final answer
    x = 4,768.46

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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.