Home / 10,342.82-14,273.10-5,627.10

Finding the Fourth Proportional to 10,342.82, 14,273.10 and 5,627.10

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Solution

The fourth proportional to 10,342.82, 14,273.10 and 5,627.10 is: 7,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.82 : 14,273.10 = 5,627.10 : x
  2. Step 2: Convert to fraction form
    10,342.82/14,273.10 = 5,627.10/x
  3. Step 3: Cross multiply
    10,342.82x = 14,273.10 × 5,627.10
  4. Step 4: Simplify right side
    10,342.82x = 80,316,107.49
  5. Step 5: Solve for x
    x = 80,316,107.49/10,342.82
  6. Step 6: Final answer
    x = 7,765.40

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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.