Home / 11,312.73-16,946.42-5,395.34

Finding the Fourth Proportional to 11,312.73, 16,946.42 and 5,395.34

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Solution

The fourth proportional to 11,312.73, 16,946.42 and 5,395.34 is: 8,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.73 : 16,946.42 = 5,395.34 : x
  2. Step 2: Convert to fraction form
    11,312.73/16,946.42 = 5,395.34/x
  3. Step 3: Cross multiply
    11,312.73x = 16,946.42 × 5,395.34
  4. Step 4: Simplify right side
    11,312.73x = 91,431,713.07
  5. Step 5: Solve for x
    x = 91,431,713.07/11,312.73
  6. Step 6: Final answer
    x = 8,082.20

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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.