Home / 11,672.64-17,517.60-9,391.68

Finding the Fourth Proportional to 11,672.64, 17,517.60 and 9,391.68

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Solution

The fourth proportional to 11,672.64, 17,517.60 and 9,391.68 is: 14,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.64 : 17,517.60 = 9,391.68 : x
  2. Step 2: Convert to fraction form
    11,672.64/17,517.60 = 9,391.68/x
  3. Step 3: Cross multiply
    11,672.64x = 17,517.60 × 9,391.68
  4. Step 4: Simplify right side
    11,672.64x = 164,519,693.57
  5. Step 5: Solve for x
    x = 164,519,693.57/11,672.64
  6. Step 6: Final answer
    x = 14,094.47

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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.