Home / 6,863.02-9,447.39-5,181.76

Finding the Fourth Proportional to 6,863.02, 9,447.39 and 5,181.76

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Solution

The fourth proportional to 6,863.02, 9,447.39 and 5,181.76 is: 7,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.02 : 9,447.39 = 5,181.76 : x
  2. Step 2: Convert to fraction form
    6,863.02/9,447.39 = 5,181.76/x
  3. Step 3: Cross multiply
    6,863.02x = 9,447.39 × 5,181.76
  4. Step 4: Simplify right side
    6,863.02x = 48,954,107.61
  5. Step 5: Solve for x
    x = 48,954,107.61/6,863.02
  6. Step 6: Final answer
    x = 7,133.03

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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.