Home / 10,725.40-16,092.90-5,176.60

Finding the Fourth Proportional to 10,725.40, 16,092.90 and 5,176.60

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Solution

The fourth proportional to 10,725.40, 16,092.90 and 5,176.60 is: 7,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.40 : 16,092.90 = 5,176.60 : x
  2. Step 2: Convert to fraction form
    10,725.40/16,092.90 = 5,176.60/x
  3. Step 3: Cross multiply
    10,725.40x = 16,092.90 × 5,176.60
  4. Step 4: Simplify right side
    10,725.40x = 83,306,506.14
  5. Step 5: Solve for x
    x = 83,306,506.14/10,725.40
  6. Step 6: Final answer
    x = 7,767.22

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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.