Home / 10,982.88-16,477.02-3,191.76

Finding the Fourth Proportional to 10,982.88, 16,477.02 and 3,191.76

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Solution

The fourth proportional to 10,982.88, 16,477.02 and 3,191.76 is: 4,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.88 : 16,477.02 = 3,191.76 : x
  2. Step 2: Convert to fraction form
    10,982.88/16,477.02 = 3,191.76/x
  3. Step 3: Cross multiply
    10,982.88x = 16,477.02 × 3,191.76
  4. Step 4: Simplify right side
    10,982.88x = 52,590,693.36
  5. Step 5: Solve for x
    x = 52,590,693.36/10,982.88
  6. Step 6: Final answer
    x = 4,788.42

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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.