Home / 10,930.85-16,372.47-6,701.31

Finding the Fourth Proportional to 10,930.85, 16,372.47 and 6,701.31

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Solution

The fourth proportional to 10,930.85, 16,372.47 and 6,701.31 is: 10,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.85 : 16,372.47 = 6,701.31 : x
  2. Step 2: Convert to fraction form
    10,930.85/16,372.47 = 6,701.31/x
  3. Step 3: Cross multiply
    10,930.85x = 16,372.47 × 6,701.31
  4. Step 4: Simplify right side
    10,930.85x = 109,716,915.07
  5. Step 5: Solve for x
    x = 109,716,915.07/10,930.85
  6. Step 6: Final answer
    x = 10,037.36

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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.