Home / 11,416.02-15,753.87-6,380.10

Finding the Fourth Proportional to 11,416.02, 15,753.87 and 6,380.10

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Solution

The fourth proportional to 11,416.02, 15,753.87 and 6,380.10 is: 8,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.02 : 15,753.87 = 6,380.10 : x
  2. Step 2: Convert to fraction form
    11,416.02/15,753.87 = 6,380.10/x
  3. Step 3: Cross multiply
    11,416.02x = 15,753.87 × 6,380.10
  4. Step 4: Simplify right side
    11,416.02x = 100,511,265.99
  5. Step 5: Solve for x
    x = 100,511,265.99/11,416.02
  6. Step 6: Final answer
    x = 8,804.41

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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.