Home / 11,433.72-17,150.38-3,113.60

Finding the Fourth Proportional to 11,433.72, 17,150.38 and 3,113.60

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Solution

The fourth proportional to 11,433.72, 17,150.38 and 3,113.60 is: 4,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.72 : 17,150.38 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    11,433.72/17,150.38 = 3,113.60/x
  3. Step 3: Cross multiply
    11,433.72x = 17,150.38 × 3,113.60
  4. Step 4: Simplify right side
    11,433.72x = 53,399,423.17
  5. Step 5: Solve for x
    x = 53,399,423.17/11,433.72
  6. Step 6: Final answer
    x = 4,670.35

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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.