Home / 11,756.34-17,621.75-5,512.46

Finding the Fourth Proportional to 11,756.34, 17,621.75 and 5,512.46

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Solution

The fourth proportional to 11,756.34, 17,621.75 and 5,512.46 is: 8,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.34 : 17,621.75 = 5,512.46 : x
  2. Step 2: Convert to fraction form
    11,756.34/17,621.75 = 5,512.46/x
  3. Step 3: Cross multiply
    11,756.34x = 17,621.75 × 5,512.46
  4. Step 4: Simplify right side
    11,756.34x = 97,139,117.68
  5. Step 5: Solve for x
    x = 97,139,117.68/11,756.34
  6. Step 6: Final answer
    x = 8,262.70

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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.