Home / 10,913.64-16,376.10-5,074.44

Finding the Fourth Proportional to 10,913.64, 16,376.10 and 5,074.44

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Solution

The fourth proportional to 10,913.64, 16,376.10 and 5,074.44 is: 7,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.64 : 16,376.10 = 5,074.44 : x
  2. Step 2: Convert to fraction form
    10,913.64/16,376.10 = 5,074.44/x
  3. Step 3: Cross multiply
    10,913.64x = 16,376.10 × 5,074.44
  4. Step 4: Simplify right side
    10,913.64x = 83,099,536.88
  5. Step 5: Solve for x
    x = 83,099,536.88/10,913.64
  6. Step 6: Final answer
    x = 7,614.28

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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.