Home / 11,778.66-16,253.54-6,473.72

Finding the Fourth Proportional to 11,778.66, 16,253.54 and 6,473.72

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Solution

The fourth proportional to 11,778.66, 16,253.54 and 6,473.72 is: 8,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.66 : 16,253.54 = 6,473.72 : x
  2. Step 2: Convert to fraction form
    11,778.66/16,253.54 = 6,473.72/x
  3. Step 3: Cross multiply
    11,778.66x = 16,253.54 × 6,473.72
  4. Step 4: Simplify right side
    11,778.66x = 105,220,866.97
  5. Step 5: Solve for x
    x = 105,220,866.97/11,778.66
  6. Step 6: Final answer
    x = 8,933.18

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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.