Home / 13,176.79-19,767.82-4,856.84

Finding the Fourth Proportional to 13,176.79, 19,767.82 and 4,856.84

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Solution

The fourth proportional to 13,176.79, 19,767.82 and 4,856.84 is: 7,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.79 : 19,767.82 = 4,856.84 : x
  2. Step 2: Convert to fraction form
    13,176.79/19,767.82 = 4,856.84/x
  3. Step 3: Cross multiply
    13,176.79x = 19,767.82 × 4,856.84
  4. Step 4: Simplify right side
    13,176.79x = 96,009,138.89
  5. Step 5: Solve for x
    x = 96,009,138.89/13,176.79
  6. Step 6: Final answer
    x = 7,286.23

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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.