Home / 12,309.27-18,466.65-3,543.51

Finding the Fourth Proportional to 12,309.27, 18,466.65 and 3,543.51

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Solution

The fourth proportional to 12,309.27, 18,466.65 and 3,543.51 is: 5,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.27 : 18,466.65 = 3,543.51 : x
  2. Step 2: Convert to fraction form
    12,309.27/18,466.65 = 3,543.51/x
  3. Step 3: Cross multiply
    12,309.27x = 18,466.65 × 3,543.51
  4. Step 4: Simplify right side
    12,309.27x = 65,436,758.94
  5. Step 5: Solve for x
    x = 65,436,758.94/12,309.27
  6. Step 6: Final answer
    x = 5,316.06

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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.