Home / 10,690.62-16,032.66-3,763.50

Finding the Fourth Proportional to 10,690.62, 16,032.66 and 3,763.50

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Solution

The fourth proportional to 10,690.62, 16,032.66 and 3,763.50 is: 5,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.62 : 16,032.66 = 3,763.50 : x
  2. Step 2: Convert to fraction form
    10,690.62/16,032.66 = 3,763.50/x
  3. Step 3: Cross multiply
    10,690.62x = 16,032.66 × 3,763.50
  4. Step 4: Simplify right side
    10,690.62x = 60,338,915.91
  5. Step 5: Solve for x
    x = 60,338,915.91/10,690.62
  6. Step 6: Final answer
    x = 5,644.10

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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.