Home / 10,873.38-16,308.69-3,477.21

Finding the Fourth Proportional to 10,873.38, 16,308.69 and 3,477.21

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Solution

The fourth proportional to 10,873.38, 16,308.69 and 3,477.21 is: 5,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.38 : 16,308.69 = 3,477.21 : x
  2. Step 2: Convert to fraction form
    10,873.38/16,308.69 = 3,477.21/x
  3. Step 3: Cross multiply
    10,873.38x = 16,308.69 × 3,477.21
  4. Step 4: Simplify right side
    10,873.38x = 56,708,739.95
  5. Step 5: Solve for x
    x = 56,708,739.95/10,873.38
  6. Step 6: Final answer
    x = 5,215.37

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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.