Home / 11,500.66-17,246.39-4,479.71

Finding the Fourth Proportional to 11,500.66, 17,246.39 and 4,479.71

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Solution

The fourth proportional to 11,500.66, 17,246.39 and 4,479.71 is: 6,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.66 : 17,246.39 = 4,479.71 : x
  2. Step 2: Convert to fraction form
    11,500.66/17,246.39 = 4,479.71/x
  3. Step 3: Cross multiply
    11,500.66x = 17,246.39 × 4,479.71
  4. Step 4: Simplify right side
    11,500.66x = 77,258,754.91
  5. Step 5: Solve for x
    x = 77,258,754.91/11,500.66
  6. Step 6: Final answer
    x = 6,717.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.