Home / 11,908.06-16,425.68-7,664.67

Finding the Fourth Proportional to 11,908.06, 16,425.68 and 7,664.67

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Solution

The fourth proportional to 11,908.06, 16,425.68 and 7,664.67 is: 10,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.06 : 16,425.68 = 7,664.67 : x
  2. Step 2: Convert to fraction form
    11,908.06/16,425.68 = 7,664.67/x
  3. Step 3: Cross multiply
    11,908.06x = 16,425.68 × 7,664.67
  4. Step 4: Simplify right side
    11,908.06x = 125,897,416.73
  5. Step 5: Solve for x
    x = 125,897,416.73/11,908.06
  6. Step 6: Final answer
    x = 10,572.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.