Home / 11,434.40-17,151.60-9,684.80

Finding the Fourth Proportional to 11,434.40, 17,151.60 and 9,684.80

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Solution

The fourth proportional to 11,434.40, 17,151.60 and 9,684.80 is: 14,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.40 : 17,151.60 = 9,684.80 : x
  2. Step 2: Convert to fraction form
    11,434.40/17,151.60 = 9,684.80/x
  3. Step 3: Cross multiply
    11,434.40x = 17,151.60 × 9,684.80
  4. Step 4: Simplify right side
    11,434.40x = 166,109,815.68
  5. Step 5: Solve for x
    x = 166,109,815.68/11,434.40
  6. Step 6: Final answer
    x = 14,527.20

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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.