Home / 11,788.98-16,268.42-6,483.78

Finding the Fourth Proportional to 11,788.98, 16,268.42 and 6,483.78

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Solution

The fourth proportional to 11,788.98, 16,268.42 and 6,483.78 is: 8,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.98 : 16,268.42 = 6,483.78 : x
  2. Step 2: Convert to fraction form
    11,788.98/16,268.42 = 6,483.78/x
  3. Step 3: Cross multiply
    11,788.98x = 16,268.42 × 6,483.78
  4. Step 4: Simplify right side
    11,788.98x = 105,480,856.23
  5. Step 5: Solve for x
    x = 105,480,856.23/11,788.98
  6. Step 6: Final answer
    x = 8,947.41

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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.