Home / 11,145.11-16,685.24-5,867.64

Finding the Fourth Proportional to 11,145.11, 16,685.24 and 5,867.64

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Solution

The fourth proportional to 11,145.11, 16,685.24 and 5,867.64 is: 8,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.11 : 16,685.24 = 5,867.64 : x
  2. Step 2: Convert to fraction form
    11,145.11/16,685.24 = 5,867.64/x
  3. Step 3: Cross multiply
    11,145.11x = 16,685.24 × 5,867.64
  4. Step 4: Simplify right side
    11,145.11x = 97,902,952.30
  5. Step 5: Solve for x
    x = 97,902,952.30/11,145.11
  6. Step 6: Final answer
    x = 8,784.39

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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.