Home / 11,955.28-16,497.84-6,650.08

Finding the Fourth Proportional to 11,955.28, 16,497.84 and 6,650.08

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Solution

The fourth proportional to 11,955.28, 16,497.84 and 6,650.08 is: 9,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.28 : 16,497.84 = 6,650.08 : x
  2. Step 2: Convert to fraction form
    11,955.28/16,497.84 = 6,650.08/x
  3. Step 3: Cross multiply
    11,955.28x = 16,497.84 × 6,650.08
  4. Step 4: Simplify right side
    11,955.28x = 109,711,955.83
  5. Step 5: Solve for x
    x = 109,711,955.83/11,955.28
  6. Step 6: Final answer
    x = 9,176.86

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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.