Home / 10,958.72-16,428.34-4,031.60

Finding the Fourth Proportional to 10,958.72, 16,428.34 and 4,031.60

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Solution

The fourth proportional to 10,958.72, 16,428.34 and 4,031.60 is: 6,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.72 : 16,428.34 = 4,031.60 : x
  2. Step 2: Convert to fraction form
    10,958.72/16,428.34 = 4,031.60/x
  3. Step 3: Cross multiply
    10,958.72x = 16,428.34 × 4,031.60
  4. Step 4: Simplify right side
    10,958.72x = 66,232,495.54
  5. Step 5: Solve for x
    x = 66,232,495.54/10,958.72
  6. Step 6: Final answer
    x = 6,043.82

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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.