Home / 11,423.84-17,140.86-7,262.73

Finding the Fourth Proportional to 11,423.84, 17,140.86 and 7,262.73

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Solution

The fourth proportional to 11,423.84, 17,140.86 and 7,262.73 is: 10,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.84 : 17,140.86 = 7,262.73 : x
  2. Step 2: Convert to fraction form
    11,423.84/17,140.86 = 7,262.73/x
  3. Step 3: Cross multiply
    11,423.84x = 17,140.86 × 7,262.73
  4. Step 4: Simplify right side
    11,423.84x = 124,489,438.15
  5. Step 5: Solve for x
    x = 124,489,438.15/11,423.84
  6. Step 6: Final answer
    x = 10,897.34

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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.