Home / 11,454.74-15,806.60-6,418.22

Finding the Fourth Proportional to 11,454.74, 15,806.60 and 6,418.22

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Solution

The fourth proportional to 11,454.74, 15,806.60 and 6,418.22 is: 8,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.74 : 15,806.60 = 6,418.22 : x
  2. Step 2: Convert to fraction form
    11,454.74/15,806.60 = 6,418.22/x
  3. Step 3: Cross multiply
    11,454.74x = 15,806.60 × 6,418.22
  4. Step 4: Simplify right side
    11,454.74x = 101,450,236.25
  5. Step 5: Solve for x
    x = 101,450,236.25/11,454.74
  6. Step 6: Final answer
    x = 8,856.62

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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.