Home / 12,403.72-18,605.58-4,610.44

Finding the Fourth Proportional to 12,403.72, 18,605.58 and 4,610.44

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Solution

The fourth proportional to 12,403.72, 18,605.58 and 4,610.44 is: 6,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.72 : 18,605.58 = 4,610.44 : x
  2. Step 2: Convert to fraction form
    12,403.72/18,605.58 = 4,610.44/x
  3. Step 3: Cross multiply
    12,403.72x = 18,605.58 × 4,610.44
  4. Step 4: Simplify right side
    12,403.72x = 85,779,910.26
  5. Step 5: Solve for x
    x = 85,779,910.26/12,403.72
  6. Step 6: Final answer
    x = 6,915.66

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Half scale
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Similar ratio
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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.