Home / 11,402.55-17,103.69-3,611.34

Finding the Fourth Proportional to 11,402.55, 17,103.69 and 3,611.34

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Solution

The fourth proportional to 11,402.55, 17,103.69 and 3,611.34 is: 5,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.55 : 17,103.69 = 3,611.34 : x
  2. Step 2: Convert to fraction form
    11,402.55/17,103.69 = 3,611.34/x
  3. Step 3: Cross multiply
    11,402.55x = 17,103.69 × 3,611.34
  4. Step 4: Simplify right side
    11,402.55x = 61,767,239.84
  5. Step 5: Solve for x
    x = 61,767,239.84/11,402.55
  6. Step 6: Final answer
    x = 5,416.97

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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.