Home / 10,867.36-16,291.26-3,937

Finding the Fourth Proportional to 10,867.36, 16,291.26 and 3,937

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Solution

The fourth proportional to 10,867.36, 16,291.26 and 3,937 is: 5,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.36 : 16,291.26 = 3,937 : x
  2. Step 2: Convert to fraction form
    10,867.36/16,291.26 = 3,937/x
  3. Step 3: Cross multiply
    10,867.36x = 16,291.26 × 3,937
  4. Step 4: Simplify right side
    10,867.36x = 64,138,690.62
  5. Step 5: Solve for x
    x = 64,138,690.62/10,867.36
  6. Step 6: Final answer
    x = 5,901.96

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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.