Home / 11,588.10-17,380.30-3,689.59

Finding the Fourth Proportional to 11,588.10, 17,380.30 and 3,689.59

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Solution

The fourth proportional to 11,588.10, 17,380.30 and 3,689.59 is: 5,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.10 : 17,380.30 = 3,689.59 : x
  2. Step 2: Convert to fraction form
    11,588.10/17,380.30 = 3,689.59/x
  3. Step 3: Cross multiply
    11,588.10x = 17,380.30 × 3,689.59
  4. Step 4: Simplify right side
    11,588.10x = 64,126,181.08
  5. Step 5: Solve for x
    x = 64,126,181.08/11,588.10
  6. Step 6: Final answer
    x = 5,533.80

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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.