Home / 10,800.36-16,177.80-4,961.88

Finding the Fourth Proportional to 10,800.36, 16,177.80 and 4,961.88

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Solution

The fourth proportional to 10,800.36, 16,177.80 and 4,961.88 is: 7,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.36 : 16,177.80 = 4,961.88 : x
  2. Step 2: Convert to fraction form
    10,800.36/16,177.80 = 4,961.88/x
  3. Step 3: Cross multiply
    10,800.36x = 16,177.80 × 4,961.88
  4. Step 4: Simplify right side
    10,800.36x = 80,272,302.26
  5. Step 5: Solve for x
    x = 80,272,302.26/10,800.36
  6. Step 6: Final answer
    x = 7,432.37

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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.