Home / 34,177.06-51,234.27-11,978.34

Finding the Fourth Proportional to 34,177.06, 51,234.27 and 11,978.34

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Solution

The fourth proportional to 34,177.06, 51,234.27 and 11,978.34 is: 17,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.06 : 51,234.27 = 11,978.34 : x
  2. Step 2: Convert to fraction form
    34,177.06/51,234.27 = 11,978.34/x
  3. Step 3: Cross multiply
    34,177.06x = 51,234.27 × 11,978.34
  4. Step 4: Simplify right side
    34,177.06x = 613,701,505.71
  5. Step 5: Solve for x
    x = 613,701,505.71/34,177.06
  6. Step 6: Final answer
    x = 17,956.53

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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.