Home / 10,104.54-13,938.39-5,911.26

Finding the Fourth Proportional to 10,104.54, 13,938.39 and 5,911.26

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Solution

The fourth proportional to 10,104.54, 13,938.39 and 5,911.26 is: 8,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.54 : 13,938.39 = 5,911.26 : x
  2. Step 2: Convert to fraction form
    10,104.54/13,938.39 = 5,911.26/x
  3. Step 3: Cross multiply
    10,104.54x = 13,938.39 × 5,911.26
  4. Step 4: Simplify right side
    10,104.54x = 82,393,447.27
  5. Step 5: Solve for x
    x = 82,393,447.27/10,104.54
  6. Step 6: Final answer
    x = 8,154.10

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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.