Home / 11,318.50-16,992.60-9,933.40

Finding the Fourth Proportional to 11,318.50, 16,992.60 and 9,933.40

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Solution

The fourth proportional to 11,318.50, 16,992.60 and 9,933.40 is: 14,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.50 : 16,992.60 = 9,933.40 : x
  2. Step 2: Convert to fraction form
    11,318.50/16,992.60 = 9,933.40/x
  3. Step 3: Cross multiply
    11,318.50x = 16,992.60 × 9,933.40
  4. Step 4: Simplify right side
    11,318.50x = 168,794,292.84
  5. Step 5: Solve for x
    x = 168,794,292.84/11,318.50
  6. Step 6: Final answer
    x = 14,913.13

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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.