Home / 11,971.58-17,951.36-6,975.56

Finding the Fourth Proportional to 11,971.58, 17,951.36 and 6,975.56

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Solution

The fourth proportional to 11,971.58, 17,951.36 and 6,975.56 is: 10,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.58 : 17,951.36 = 6,975.56 : x
  2. Step 2: Convert to fraction form
    11,971.58/17,951.36 = 6,975.56/x
  3. Step 3: Cross multiply
    11,971.58x = 17,951.36 × 6,975.56
  4. Step 4: Simplify right side
    11,971.58x = 125,220,798.76
  5. Step 5: Solve for x
    x = 125,220,798.76/11,971.58
  6. Step 6: Final answer
    x = 10,459.84

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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.