Home / 10,717.95-16,076.25-3,321.84

Finding the Fourth Proportional to 10,717.95, 16,076.25 and 3,321.84

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Solution

The fourth proportional to 10,717.95, 16,076.25 and 3,321.84 is: 4,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.95 : 16,076.25 = 3,321.84 : x
  2. Step 2: Convert to fraction form
    10,717.95/16,076.25 = 3,321.84/x
  3. Step 3: Cross multiply
    10,717.95x = 16,076.25 × 3,321.84
  4. Step 4: Simplify right side
    10,717.95x = 53,402,730.30
  5. Step 5: Solve for x
    x = 53,402,730.30/10,717.95
  6. Step 6: Final answer
    x = 4,982.55

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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.