Home / 10,957.38-16,428.87-3,933.87

Finding the Fourth Proportional to 10,957.38, 16,428.87 and 3,933.87

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Solution

The fourth proportional to 10,957.38, 16,428.87 and 3,933.87 is: 5,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.38 : 16,428.87 = 3,933.87 : x
  2. Step 2: Convert to fraction form
    10,957.38/16,428.87 = 3,933.87/x
  3. Step 3: Cross multiply
    10,957.38x = 16,428.87 × 3,933.87
  4. Step 4: Simplify right side
    10,957.38x = 64,629,038.83
  5. Step 5: Solve for x
    x = 64,629,038.83/10,957.38
  6. Step 6: Final answer
    x = 5,898.22

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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.