Home / 12,715.68-19,073.64-5,696.04

Finding the Fourth Proportional to 12,715.68, 19,073.64 and 5,696.04

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Solution

The fourth proportional to 12,715.68, 19,073.64 and 5,696.04 is: 8,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.68 : 19,073.64 = 5,696.04 : x
  2. Step 2: Convert to fraction form
    12,715.68/19,073.64 = 5,696.04/x
  3. Step 3: Cross multiply
    12,715.68x = 19,073.64 × 5,696.04
  4. Step 4: Simplify right side
    12,715.68x = 108,644,216.39
  5. Step 5: Solve for x
    x = 108,644,216.39/12,715.68
  6. Step 6: Final answer
    x = 8,544.11

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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.