Home / 9,155.97-13,736.66-3,153.57

Finding the Fourth Proportional to 9,155.97, 13,736.66 and 3,153.57

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Solution

The fourth proportional to 9,155.97, 13,736.66 and 3,153.57 is: 4,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.97 : 13,736.66 = 3,153.57 : x
  2. Step 2: Convert to fraction form
    9,155.97/13,736.66 = 3,153.57/x
  3. Step 3: Cross multiply
    9,155.97x = 13,736.66 × 3,153.57
  4. Step 4: Simplify right side
    9,155.97x = 43,319,451.60
  5. Step 5: Solve for x
    x = 43,319,451.60/9,155.97
  6. Step 6: Final answer
    x = 4,731.28

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1.5x scale

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.