Home / 11,540.16-17,307.56-4,520.32

Finding the Fourth Proportional to 11,540.16, 17,307.56 and 4,520.32

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Solution

The fourth proportional to 11,540.16, 17,307.56 and 4,520.32 is: 6,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.16 : 17,307.56 = 4,520.32 : x
  2. Step 2: Convert to fraction form
    11,540.16/17,307.56 = 4,520.32/x
  3. Step 3: Cross multiply
    11,540.16x = 17,307.56 × 4,520.32
  4. Step 4: Simplify right side
    11,540.16x = 78,235,709.62
  5. Step 5: Solve for x
    x = 78,235,709.62/11,540.16
  6. Step 6: Final answer
    x = 6,779.43

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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.