Home / 11,778.08-16,253.55-6,472.89

Finding the Fourth Proportional to 11,778.08, 16,253.55 and 6,472.89

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Solution

The fourth proportional to 11,778.08, 16,253.55 and 6,472.89 is: 8,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.08 : 16,253.55 = 6,472.89 : x
  2. Step 2: Convert to fraction form
    11,778.08/16,253.55 = 6,472.89/x
  3. Step 3: Cross multiply
    11,778.08x = 16,253.55 × 6,472.89
  4. Step 4: Simplify right side
    11,778.08x = 105,207,441.26
  5. Step 5: Solve for x
    x = 105,207,441.26/11,778.08
  6. Step 6: Final answer
    x = 8,932.48

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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.