Home / 10,913.37-16,372.58-3,416.51

Finding the Fourth Proportional to 10,913.37, 16,372.58 and 3,416.51

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Solution

The fourth proportional to 10,913.37, 16,372.58 and 3,416.51 is: 5,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.37 : 16,372.58 = 3,416.51 : x
  2. Step 2: Convert to fraction form
    10,913.37/16,372.58 = 3,416.51/x
  3. Step 3: Cross multiply
    10,913.37x = 16,372.58 × 3,416.51
  4. Step 4: Simplify right side
    10,913.37x = 55,937,083.30
  5. Step 5: Solve for x
    x = 55,937,083.30/10,913.37
  6. Step 6: Final answer
    x = 5,125.56

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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.