Home / 12,871.68-19,294.56-5,951.04

Finding the Fourth Proportional to 12,871.68, 19,294.56 and 5,951.04

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Solution

The fourth proportional to 12,871.68, 19,294.56 and 5,951.04 is: 8,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871.68 : 19,294.56 = 5,951.04 : x
  2. Step 2: Convert to fraction form
    12,871.68/19,294.56 = 5,951.04/x
  3. Step 3: Cross multiply
    12,871.68x = 19,294.56 × 5,951.04
  4. Step 4: Simplify right side
    12,871.68x = 114,822,698.34
  5. Step 5: Solve for x
    x = 114,822,698.34/12,871.68
  6. Step 6: Final answer
    x = 8,920.57

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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.