Home / 10,567.91-15,840.43-6,872.79

Finding the Fourth Proportional to 10,567.91, 15,840.43 and 6,872.79

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Solution

The fourth proportional to 10,567.91, 15,840.43 and 6,872.79 is: 10,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.91 : 15,840.43 = 6,872.79 : x
  2. Step 2: Convert to fraction form
    10,567.91/15,840.43 = 6,872.79/x
  3. Step 3: Cross multiply
    10,567.91x = 15,840.43 × 6,872.79
  4. Step 4: Simplify right side
    10,567.91x = 108,867,991.12
  5. Step 5: Solve for x
    x = 108,867,991.12/10,567.91
  6. Step 6: Final answer
    x = 10,301.75

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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.