Home / 11,794.68-16,275.60-6,489.72

Finding the Fourth Proportional to 11,794.68, 16,275.60 and 6,489.72

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Solution

The fourth proportional to 11,794.68, 16,275.60 and 6,489.72 is: 8,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.68 : 16,275.60 = 6,489.72 : x
  2. Step 2: Convert to fraction form
    11,794.68/16,275.60 = 6,489.72/x
  3. Step 3: Cross multiply
    11,794.68x = 16,275.60 × 6,489.72
  4. Step 4: Simplify right side
    11,794.68x = 105,624,086.83
  5. Step 5: Solve for x
    x = 105,624,086.83/11,794.68
  6. Step 6: Final answer
    x = 8,955.23

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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.