Home / 10,949.80-16,428.20-3,925.08

Finding the Fourth Proportional to 10,949.80, 16,428.20 and 3,925.08

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Solution

The fourth proportional to 10,949.80, 16,428.20 and 3,925.08 is: 5,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.80 : 16,428.20 = 3,925.08 : x
  2. Step 2: Convert to fraction form
    10,949.80/16,428.20 = 3,925.08/x
  3. Step 3: Cross multiply
    10,949.80x = 16,428.20 × 3,925.08
  4. Step 4: Simplify right side
    10,949.80x = 64,481,999.26
  5. Step 5: Solve for x
    x = 64,481,999.26/10,949.80
  6. Step 6: Final answer
    x = 5,888.87

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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.