Home / 10,414.90-15,623.70-5,152.60

Finding the Fourth Proportional to 10,414.90, 15,623.70 and 5,152.60

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Solution

The fourth proportional to 10,414.90, 15,623.70 and 5,152.60 is: 7,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.90 : 15,623.70 = 5,152.60 : x
  2. Step 2: Convert to fraction form
    10,414.90/15,623.70 = 5,152.60/x
  3. Step 3: Cross multiply
    10,414.90x = 15,623.70 × 5,152.60
  4. Step 4: Simplify right side
    10,414.90x = 80,502,676.62
  5. Step 5: Solve for x
    x = 80,502,676.62/10,414.90
  6. Step 6: Final answer
    x = 7,729.57

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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.