Home / 11,788.12-16,268.94-6,483.40

Finding the Fourth Proportional to 11,788.12, 16,268.94 and 6,483.40

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Solution

The fourth proportional to 11,788.12, 16,268.94 and 6,483.40 is: 8,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.12 : 16,268.94 = 6,483.40 : x
  2. Step 2: Convert to fraction form
    11,788.12/16,268.94 = 6,483.40/x
  3. Step 3: Cross multiply
    11,788.12x = 16,268.94 × 6,483.40
  4. Step 4: Simplify right side
    11,788.12x = 105,478,045.60
  5. Step 5: Solve for x
    x = 105,478,045.60/11,788.12
  6. Step 6: Final answer
    x = 8,947.83

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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.