Home / 11,908.22-16,432.88-6,602.92

Finding the Fourth Proportional to 11,908.22, 16,432.88 and 6,602.92

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Solution

The fourth proportional to 11,908.22, 16,432.88 and 6,602.92 is: 9,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.22 : 16,432.88 = 6,602.92 : x
  2. Step 2: Convert to fraction form
    11,908.22/16,432.88 = 6,602.92/x
  3. Step 3: Cross multiply
    11,908.22x = 16,432.88 × 6,602.92
  4. Step 4: Simplify right side
    11,908.22x = 108,504,917.91
  5. Step 5: Solve for x
    x = 108,504,917.91/11,908.22
  6. Step 6: Final answer
    x = 9,111.77

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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.