Home / 10,750.62-16,122.87-4,175.40

Finding the Fourth Proportional to 10,750.62, 16,122.87 and 4,175.40

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Solution

The fourth proportional to 10,750.62, 16,122.87 and 4,175.40 is: 6,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.62 : 16,122.87 = 4,175.40 : x
  2. Step 2: Convert to fraction form
    10,750.62/16,122.87 = 4,175.40/x
  3. Step 3: Cross multiply
    10,750.62x = 16,122.87 × 4,175.40
  4. Step 4: Simplify right side
    10,750.62x = 67,319,431.40
  5. Step 5: Solve for x
    x = 67,319,431.40/10,750.62
  6. Step 6: Final answer
    x = 6,261.91

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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.