Home / 10,974.30-16,461.47-2,654.28

Finding the Fourth Proportional to 10,974.30, 16,461.47 and 2,654.28

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Solution

The fourth proportional to 10,974.30, 16,461.47 and 2,654.28 is: 3,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.30 : 16,461.47 = 2,654.28 : x
  2. Step 2: Convert to fraction form
    10,974.30/16,461.47 = 2,654.28/x
  3. Step 3: Cross multiply
    10,974.30x = 16,461.47 × 2,654.28
  4. Step 4: Simplify right side
    10,974.30x = 43,693,361.71
  5. Step 5: Solve for x
    x = 43,693,361.71/10,974.30
  6. Step 6: Final answer
    x = 3,981.43

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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.