Home / 10,857.25-14,983.01-6,141.43

Finding the Fourth Proportional to 10,857.25, 14,983.01 and 6,141.43

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Solution

The fourth proportional to 10,857.25, 14,983.01 and 6,141.43 is: 8,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.25 : 14,983.01 = 6,141.43 : x
  2. Step 2: Convert to fraction form
    10,857.25/14,983.01 = 6,141.43/x
  3. Step 3: Cross multiply
    10,857.25x = 14,983.01 × 6,141.43
  4. Step 4: Simplify right side
    10,857.25x = 92,017,107.10
  5. Step 5: Solve for x
    x = 92,017,107.10/10,857.25
  6. Step 6: Final answer
    x = 8,475.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.