Home / 11,291.39-16,934.35-5,365.64

Finding the Fourth Proportional to 11,291.39, 16,934.35 and 5,365.64

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Solution

The fourth proportional to 11,291.39, 16,934.35 and 5,365.64 is: 8,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.39 : 16,934.35 = 5,365.64 : x
  2. Step 2: Convert to fraction form
    11,291.39/16,934.35 = 5,365.64/x
  3. Step 3: Cross multiply
    11,291.39x = 16,934.35 × 5,365.64
  4. Step 4: Simplify right side
    11,291.39x = 90,863,625.73
  5. Step 5: Solve for x
    x = 90,863,625.73/11,291.39
  6. Step 6: Final answer
    x = 8,047.16

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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.