Home / 10,731.67-16,095.77-2,938.66

Finding the Fourth Proportional to 10,731.67, 16,095.77 and 2,938.66

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Solution

The fourth proportional to 10,731.67, 16,095.77 and 2,938.66 is: 4,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.67 : 16,095.77 = 2,938.66 : x
  2. Step 2: Convert to fraction form
    10,731.67/16,095.77 = 2,938.66/x
  3. Step 3: Cross multiply
    10,731.67x = 16,095.77 × 2,938.66
  4. Step 4: Simplify right side
    10,731.67x = 47,299,914.99
  5. Step 5: Solve for x
    x = 47,299,914.99/10,731.67
  6. Step 6: Final answer
    x = 4,407.51

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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.