Home / 11,883.54-16,396.52-7,105.04

Finding the Fourth Proportional to 11,883.54, 16,396.52 and 7,105.04

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Solution

The fourth proportional to 11,883.54, 16,396.52 and 7,105.04 is: 9,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.54 : 16,396.52 = 7,105.04 : x
  2. Step 2: Convert to fraction form
    11,883.54/16,396.52 = 7,105.04/x
  3. Step 3: Cross multiply
    11,883.54x = 16,396.52 × 7,105.04
  4. Step 4: Simplify right side
    11,883.54x = 116,497,812.95
  5. Step 5: Solve for x
    x = 116,497,812.95/11,883.54
  6. Step 6: Final answer
    x = 9,803.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.