Home / 10,514.72-15,770.56-3,398.01

Finding the Fourth Proportional to 10,514.72, 15,770.56 and 3,398.01

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Solution

The fourth proportional to 10,514.72, 15,770.56 and 3,398.01 is: 5,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.72 : 15,770.56 = 3,398.01 : x
  2. Step 2: Convert to fraction form
    10,514.72/15,770.56 = 3,398.01/x
  3. Step 3: Cross multiply
    10,514.72x = 15,770.56 × 3,398.01
  4. Step 4: Simplify right side
    10,514.72x = 53,588,520.59
  5. Step 5: Solve for x
    x = 53,588,520.59/10,514.72
  6. Step 6: Final answer
    x = 5,096.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.