Home / 10,838.81-16,258.68-3,443.11

Finding the Fourth Proportional to 10,838.81, 16,258.68 and 3,443.11

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Solution

The fourth proportional to 10,838.81, 16,258.68 and 3,443.11 is: 5,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.81 : 16,258.68 = 3,443.11 : x
  2. Step 2: Convert to fraction form
    10,838.81/16,258.68 = 3,443.11/x
  3. Step 3: Cross multiply
    10,838.81x = 16,258.68 × 3,443.11
  4. Step 4: Simplify right side
    10,838.81x = 55,980,383.05
  5. Step 5: Solve for x
    x = 55,980,383.05/10,838.81
  6. Step 6: Final answer
    x = 5,164.81

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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.