Home / 11,778.08-16,254.64-6,743.86

Finding the Fourth Proportional to 11,778.08, 16,254.64 and 6,743.86

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Solution

The fourth proportional to 11,778.08, 16,254.64 and 6,743.86 is: 9,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.08 : 16,254.64 = 6,743.86 : x
  2. Step 2: Convert to fraction form
    11,778.08/16,254.64 = 6,743.86/x
  3. Step 3: Cross multiply
    11,778.08x = 16,254.64 × 6,743.86
  4. Step 4: Simplify right side
    11,778.08x = 109,618,984.30
  5. Step 5: Solve for x
    x = 109,618,984.30/11,778.08
  6. Step 6: Final answer
    x = 9,307.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.