Home / 11,756.54-17,635.28-2,991.52

Finding the Fourth Proportional to 11,756.54, 17,635.28 and 2,991.52

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Solution

The fourth proportional to 11,756.54, 17,635.28 and 2,991.52 is: 4,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.54 : 17,635.28 = 2,991.52 : x
  2. Step 2: Convert to fraction form
    11,756.54/17,635.28 = 2,991.52/x
  3. Step 3: Cross multiply
    11,756.54x = 17,635.28 × 2,991.52
  4. Step 4: Simplify right side
    11,756.54x = 52,756,292.83
  5. Step 5: Solve for x
    x = 52,756,292.83/11,756.54
  6. Step 6: Final answer
    x = 4,487.40

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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.