Home / 9,242.54-13,863.60-3,981.05

Finding the Fourth Proportional to 9,242.54, 13,863.60 and 3,981.05

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Solution

The fourth proportional to 9,242.54, 13,863.60 and 3,981.05 is: 5,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.54 : 13,863.60 = 3,981.05 : x
  2. Step 2: Convert to fraction form
    9,242.54/13,863.60 = 3,981.05/x
  3. Step 3: Cross multiply
    9,242.54x = 13,863.60 × 3,981.05
  4. Step 4: Simplify right side
    9,242.54x = 55,191,615.46
  5. Step 5: Solve for x
    x = 55,191,615.46/9,242.54
  6. Step 6: Final answer
    x = 5,971.48

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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.