Home / 11,916.68-17,875.16-3,596.78

Finding the Fourth Proportional to 11,916.68, 17,875.16 and 3,596.78

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Solution

The fourth proportional to 11,916.68, 17,875.16 and 3,596.78 is: 5,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.68 : 17,875.16 = 3,596.78 : x
  2. Step 2: Convert to fraction form
    11,916.68/17,875.16 = 3,596.78/x
  3. Step 3: Cross multiply
    11,916.68x = 17,875.16 × 3,596.78
  4. Step 4: Simplify right side
    11,916.68x = 64,293,017.98
  5. Step 5: Solve for x
    x = 64,293,017.98/11,916.68
  6. Step 6: Final answer
    x = 5,395.21

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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.