Home / 11,541.80-17,320.80-4,972.70

Finding the Fourth Proportional to 11,541.80, 17,320.80 and 4,972.70

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Solution

The fourth proportional to 11,541.80, 17,320.80 and 4,972.70 is: 7,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.80 : 17,320.80 = 4,972.70 : x
  2. Step 2: Convert to fraction form
    11,541.80/17,320.80 = 4,972.70/x
  3. Step 3: Cross multiply
    11,541.80x = 17,320.80 × 4,972.70
  4. Step 4: Simplify right side
    11,541.80x = 86,131,142.16
  5. Step 5: Solve for x
    x = 86,131,142.16/11,541.80
  6. Step 6: Final answer
    x = 7,462.54

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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.