Home / 8,526.66-12,791.20-2,681.29

Finding the Fourth Proportional to 8,526.66, 12,791.20 and 2,681.29

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Solution

The fourth proportional to 8,526.66, 12,791.20 and 2,681.29 is: 4,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.66 : 12,791.20 = 2,681.29 : x
  2. Step 2: Convert to fraction form
    8,526.66/12,791.20 = 2,681.29/x
  3. Step 3: Cross multiply
    8,526.66x = 12,791.20 × 2,681.29
  4. Step 4: Simplify right side
    8,526.66x = 34,296,916.65
  5. Step 5: Solve for x
    x = 34,296,916.65/8,526.66
  6. Step 6: Final answer
    x = 4,022.32

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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.