Home / 8,181.47-11,290.88-4,826.25

Finding the Fourth Proportional to 8,181.47, 11,290.88 and 4,826.25

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Solution

The fourth proportional to 8,181.47, 11,290.88 and 4,826.25 is: 6,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.47 : 11,290.88 = 4,826.25 : x
  2. Step 2: Convert to fraction form
    8,181.47/11,290.88 = 4,826.25/x
  3. Step 3: Cross multiply
    8,181.47x = 11,290.88 × 4,826.25
  4. Step 4: Simplify right side
    8,181.47x = 54,492,609.60
  5. Step 5: Solve for x
    x = 54,492,609.60/8,181.47
  6. Step 6: Final answer
    x = 6,660.49

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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.