Home / 9,173.52-13,760.87-3,905.55

Finding the Fourth Proportional to 9,173.52, 13,760.87 and 3,905.55

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Solution

The fourth proportional to 9,173.52, 13,760.87 and 3,905.55 is: 5,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.52 : 13,760.87 = 3,905.55 : x
  2. Step 2: Convert to fraction form
    9,173.52/13,760.87 = 3,905.55/x
  3. Step 3: Cross multiply
    9,173.52x = 13,760.87 × 3,905.55
  4. Step 4: Simplify right side
    9,173.52x = 53,743,746.30
  5. Step 5: Solve for x
    x = 53,743,746.30/9,173.52
  6. Step 6: Final answer
    x = 5,858.57

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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.