Home / 10,785.11-16,179.08-3,765.24

Finding the Fourth Proportional to 10,785.11, 16,179.08 and 3,765.24

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Solution

The fourth proportional to 10,785.11, 16,179.08 and 3,765.24 is: 5,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.11 : 16,179.08 = 3,765.24 : x
  2. Step 2: Convert to fraction form
    10,785.11/16,179.08 = 3,765.24/x
  3. Step 3: Cross multiply
    10,785.11x = 16,179.08 × 3,765.24
  4. Step 4: Simplify right side
    10,785.11x = 60,918,100.35
  5. Step 5: Solve for x
    x = 60,918,100.35/10,785.11
  6. Step 6: Final answer
    x = 5,648.35

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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.