Home / 11,276.66-16,915.19-6,629.29

Finding the Fourth Proportional to 11,276.66, 16,915.19 and 6,629.29

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Solution

The fourth proportional to 11,276.66, 16,915.19 and 6,629.29 is: 9,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.66 : 16,915.19 = 6,629.29 : x
  2. Step 2: Convert to fraction form
    11,276.66/16,915.19 = 6,629.29/x
  3. Step 3: Cross multiply
    11,276.66x = 16,915.19 × 6,629.29
  4. Step 4: Simplify right side
    11,276.66x = 112,135,699.92
  5. Step 5: Solve for x
    x = 112,135,699.92/11,276.66
  6. Step 6: Final answer
    x = 9,944.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.