Home / 10,553.43-15,824.30-4,317.82

Finding the Fourth Proportional to 10,553.43, 15,824.30 and 4,317.82

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Solution

The fourth proportional to 10,553.43, 15,824.30 and 4,317.82 is: 6,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.43 : 15,824.30 = 4,317.82 : x
  2. Step 2: Convert to fraction form
    10,553.43/15,824.30 = 4,317.82/x
  3. Step 3: Cross multiply
    10,553.43x = 15,824.30 × 4,317.82
  4. Step 4: Simplify right side
    10,553.43x = 68,326,417.88
  5. Step 5: Solve for x
    x = 68,326,417.88/10,553.43
  6. Step 6: Final answer
    x = 6,474.33

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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.