Home / 11,737-17,605.60-2,971.92

Finding the Fourth Proportional to 11,737, 17,605.60 and 2,971.92

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Solution

The fourth proportional to 11,737, 17,605.60 and 2,971.92 is: 4,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737 : 17,605.60 = 2,971.92 : x
  2. Step 2: Convert to fraction form
    11,737/17,605.60 = 2,971.92/x
  3. Step 3: Cross multiply
    11,737x = 17,605.60 × 2,971.92
  4. Step 4: Simplify right side
    11,737x = 52,322,434.75
  5. Step 5: Solve for x
    x = 52,322,434.75/11,737
  6. Step 6: Final answer
    x = 4,457.91

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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.