Home / 11,611.63-17,416.32-3,291.58

Finding the Fourth Proportional to 11,611.63, 17,416.32 and 3,291.58

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Solution

The fourth proportional to 11,611.63, 17,416.32 and 3,291.58 is: 4,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.63 : 17,416.32 = 3,291.58 : x
  2. Step 2: Convert to fraction form
    11,611.63/17,416.32 = 3,291.58/x
  3. Step 3: Cross multiply
    11,611.63x = 17,416.32 × 3,291.58
  4. Step 4: Simplify right side
    11,611.63x = 57,327,210.59
  5. Step 5: Solve for x
    x = 57,327,210.59/11,611.63
  6. Step 6: Final answer
    x = 4,937.05

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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.