Home / 11,406.42-17,110.11-3,615.06

Finding the Fourth Proportional to 11,406.42, 17,110.11 and 3,615.06

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Solution

The fourth proportional to 11,406.42, 17,110.11 and 3,615.06 is: 5,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.42 : 17,110.11 = 3,615.06 : x
  2. Step 2: Convert to fraction form
    11,406.42/17,110.11 = 3,615.06/x
  3. Step 3: Cross multiply
    11,406.42x = 17,110.11 × 3,615.06
  4. Step 4: Simplify right side
    11,406.42x = 61,854,074.26
  5. Step 5: Solve for x
    x = 61,854,074.26/11,406.42
  6. Step 6: Final answer
    x = 5,422.74

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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.