Home / 10,940.36-16,416-4,372.07

Finding the Fourth Proportional to 10,940.36, 16,416 and 4,372.07

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Solution

The fourth proportional to 10,940.36, 16,416 and 4,372.07 is: 6,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.36 : 16,416 = 4,372.07 : x
  2. Step 2: Convert to fraction form
    10,940.36/16,416 = 4,372.07/x
  3. Step 3: Cross multiply
    10,940.36x = 16,416 × 4,372.07
  4. Step 4: Simplify right side
    10,940.36x = 71,771,819.04
  5. Step 5: Solve for x
    x = 71,771,819.04/10,940.36
  6. Step 6: Final answer
    x = 6,560.28

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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.