Home / 11,818.14-17,720.93-3,497.01

Finding the Fourth Proportional to 11,818.14, 17,720.93 and 3,497.01

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Solution

The fourth proportional to 11,818.14, 17,720.93 and 3,497.01 is: 5,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.14 : 17,720.93 = 3,497.01 : x
  2. Step 2: Convert to fraction form
    11,818.14/17,720.93 = 3,497.01/x
  3. Step 3: Cross multiply
    11,818.14x = 17,720.93 × 3,497.01
  4. Step 4: Simplify right side
    11,818.14x = 61,970,180.81
  5. Step 5: Solve for x
    x = 61,970,180.81/11,818.14
  6. Step 6: Final answer
    x = 5,243.65

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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.