Home / 11,209.24-16,808.96-3,416.24

Finding the Fourth Proportional to 11,209.24, 16,808.96 and 3,416.24

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Solution

The fourth proportional to 11,209.24, 16,808.96 and 3,416.24 is: 5,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.24 : 16,808.96 = 3,416.24 : x
  2. Step 2: Convert to fraction form
    11,209.24/16,808.96 = 3,416.24/x
  3. Step 3: Cross multiply
    11,209.24x = 16,808.96 × 3,416.24
  4. Step 4: Simplify right side
    11,209.24x = 57,423,441.51
  5. Step 5: Solve for x
    x = 57,423,441.51/11,209.24
  6. Step 6: Final answer
    x = 5,122.87

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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.