Home / 11,742.48-17,605.86-6,189.96

Finding the Fourth Proportional to 11,742.48, 17,605.86 and 6,189.96

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Solution

The fourth proportional to 11,742.48, 17,605.86 and 6,189.96 is: 9,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.48 : 17,605.86 = 6,189.96 : x
  2. Step 2: Convert to fraction form
    11,742.48/17,605.86 = 6,189.96/x
  3. Step 3: Cross multiply
    11,742.48x = 17,605.86 × 6,189.96
  4. Step 4: Simplify right side
    11,742.48x = 108,979,569.17
  5. Step 5: Solve for x
    x = 108,979,569.17/11,742.48
  6. Step 6: Final answer
    x = 9,280.80

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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.