Home / 7,166.22-10,747.40-2,169.14

Finding the Fourth Proportional to 7,166.22, 10,747.40 and 2,169.14

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Solution

The fourth proportional to 7,166.22, 10,747.40 and 2,169.14 is: 3,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.22 : 10,747.40 = 2,169.14 : x
  2. Step 2: Convert to fraction form
    7,166.22/10,747.40 = 2,169.14/x
  3. Step 3: Cross multiply
    7,166.22x = 10,747.40 × 2,169.14
  4. Step 4: Simplify right side
    7,166.22x = 23,312,615.24
  5. Step 5: Solve for x
    x = 23,312,615.24/7,166.22
  6. Step 6: Final answer
    x = 3,253.13

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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.