Home / 11,577.70-17,366.50-2,812.51

Finding the Fourth Proportional to 11,577.70, 17,366.50 and 2,812.51

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Solution

The fourth proportional to 11,577.70, 17,366.50 and 2,812.51 is: 4,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.70 : 17,366.50 = 2,812.51 : x
  2. Step 2: Convert to fraction form
    11,577.70/17,366.50 = 2,812.51/x
  3. Step 3: Cross multiply
    11,577.70x = 17,366.50 × 2,812.51
  4. Step 4: Simplify right side
    11,577.70x = 48,843,454.92
  5. Step 5: Solve for x
    x = 48,843,454.92/11,577.70
  6. Step 6: Final answer
    x = 4,218.75

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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.