Home / 10,905.68-16,360.14-3,508.22

Finding the Fourth Proportional to 10,905.68, 16,360.14 and 3,508.22

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Solution

The fourth proportional to 10,905.68, 16,360.14 and 3,508.22 is: 5,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.68 : 16,360.14 = 3,508.22 : x
  2. Step 2: Convert to fraction form
    10,905.68/16,360.14 = 3,508.22/x
  3. Step 3: Cross multiply
    10,905.68x = 16,360.14 × 3,508.22
  4. Step 4: Simplify right side
    10,905.68x = 57,394,970.35
  5. Step 5: Solve for x
    x = 57,394,970.35/10,905.68
  6. Step 6: Final answer
    x = 5,262.85

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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.