Home / 11,454.87-17,190-4,059.30

Finding the Fourth Proportional to 11,454.87, 17,190 and 4,059.30

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Solution

The fourth proportional to 11,454.87, 17,190 and 4,059.30 is: 6,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.87 : 17,190 = 4,059.30 : x
  2. Step 2: Convert to fraction form
    11,454.87/17,190 = 4,059.30/x
  3. Step 3: Cross multiply
    11,454.87x = 17,190 × 4,059.30
  4. Step 4: Simplify right side
    11,454.87x = 69,779,367
  5. Step 5: Solve for x
    x = 69,779,367/11,454.87
  6. Step 6: Final answer
    x = 6,091.68

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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.