Home / 11,756.05-17,634.54-5,180.74

Finding the Fourth Proportional to 11,756.05, 17,634.54 and 5,180.74

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Solution

The fourth proportional to 11,756.05, 17,634.54 and 5,180.74 is: 7,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.05 : 17,634.54 = 5,180.74 : x
  2. Step 2: Convert to fraction form
    11,756.05/17,634.54 = 5,180.74/x
  3. Step 3: Cross multiply
    11,756.05x = 17,634.54 × 5,180.74
  4. Step 4: Simplify right side
    11,756.05x = 91,359,966.76
  5. Step 5: Solve for x
    x = 91,359,966.76/11,756.05
  6. Step 6: Final answer
    x = 7,771.31

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1.5x scale

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.