Home / 11,301.20-16,951.80-11,236.40

Finding the Fourth Proportional to 11,301.20, 16,951.80 and 11,236.40

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Solution

The fourth proportional to 11,301.20, 16,951.80 and 11,236.40 is: 16,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.20 : 16,951.80 = 11,236.40 : x
  2. Step 2: Convert to fraction form
    11,301.20/16,951.80 = 11,236.40/x
  3. Step 3: Cross multiply
    11,301.20x = 16,951.80 × 11,236.40
  4. Step 4: Simplify right side
    11,301.20x = 190,477,205.52
  5. Step 5: Solve for x
    x = 190,477,205.52/11,301.20
  6. Step 6: Final answer
    x = 16,854.60

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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.