Home / 11,457.18-17,186.40-3,560.43

Finding the Fourth Proportional to 11,457.18, 17,186.40 and 3,560.43

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Solution

The fourth proportional to 11,457.18, 17,186.40 and 3,560.43 is: 5,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.18 : 17,186.40 = 3,560.43 : x
  2. Step 2: Convert to fraction form
    11,457.18/17,186.40 = 3,560.43/x
  3. Step 3: Cross multiply
    11,457.18x = 17,186.40 × 3,560.43
  4. Step 4: Simplify right side
    11,457.18x = 61,190,974.15
  5. Step 5: Solve for x
    x = 61,190,974.15/11,457.18
  6. Step 6: Final answer
    x = 5,340.84

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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.