Home / 11,188.81-16,785.66-3,398.23

Finding the Fourth Proportional to 11,188.81, 16,785.66 and 3,398.23

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Solution

The fourth proportional to 11,188.81, 16,785.66 and 3,398.23 is: 5,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.81 : 16,785.66 = 3,398.23 : x
  2. Step 2: Convert to fraction form
    11,188.81/16,785.66 = 3,398.23/x
  3. Step 3: Cross multiply
    11,188.81x = 16,785.66 × 3,398.23
  4. Step 4: Simplify right side
    11,188.81x = 57,041,533.38
  5. Step 5: Solve for x
    x = 57,041,533.38/11,188.81
  6. Step 6: Final answer
    x = 5,098.09

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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.