Home / 11,445.41-17,157.17-3,649.16

Finding the Fourth Proportional to 11,445.41, 17,157.17 and 3,649.16

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Solution

The fourth proportional to 11,445.41, 17,157.17 and 3,649.16 is: 5,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.41 : 17,157.17 = 3,649.16 : x
  2. Step 2: Convert to fraction form
    11,445.41/17,157.17 = 3,649.16/x
  3. Step 3: Cross multiply
    11,445.41x = 17,157.17 × 3,649.16
  4. Step 4: Simplify right side
    11,445.41x = 62,609,181.81
  5. Step 5: Solve for x
    x = 62,609,181.81/11,445.41
  6. Step 6: Final answer
    x = 5,470.25

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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.