Home / 11,788.39-16,268.61-6,483.70

Finding the Fourth Proportional to 11,788.39, 16,268.61 and 6,483.70

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Solution

The fourth proportional to 11,788.39, 16,268.61 and 6,483.70 is: 8,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.39 : 16,268.61 = 6,483.70 : x
  2. Step 2: Convert to fraction form
    11,788.39/16,268.61 = 6,483.70/x
  3. Step 3: Cross multiply
    11,788.39x = 16,268.61 × 6,483.70
  4. Step 4: Simplify right side
    11,788.39x = 105,480,786.66
  5. Step 5: Solve for x
    x = 105,480,786.66/11,788.39
  6. Step 6: Final answer
    x = 8,947.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.