Home / 11,788.25-16,268.12-6,483.40

Finding the Fourth Proportional to 11,788.25, 16,268.12 and 6,483.40

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Solution

The fourth proportional to 11,788.25, 16,268.12 and 6,483.40 is: 8,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.25 : 16,268.12 = 6,483.40 : x
  2. Step 2: Convert to fraction form
    11,788.25/16,268.12 = 6,483.40/x
  3. Step 3: Cross multiply
    11,788.25x = 16,268.12 × 6,483.40
  4. Step 4: Simplify right side
    11,788.25x = 105,472,771.94
  5. Step 5: Solve for x
    x = 105,472,771.94/11,788.25
  6. Step 6: Final answer
    x = 8,947.28

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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.