Home / 10,957.83-16,438.36-4,383.87

Finding the Fourth Proportional to 10,957.83, 16,438.36 and 4,383.87

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Solution

The fourth proportional to 10,957.83, 16,438.36 and 4,383.87 is: 6,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.83 : 16,438.36 = 4,383.87 : x
  2. Step 2: Convert to fraction form
    10,957.83/16,438.36 = 4,383.87/x
  3. Step 3: Cross multiply
    10,957.83x = 16,438.36 × 4,383.87
  4. Step 4: Simplify right side
    10,957.83x = 72,063,633.25
  5. Step 5: Solve for x
    x = 72,063,633.25/10,957.83
  6. Step 6: Final answer
    x = 6,576.45

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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.