Home / 11,380.12-15,704.26-6,599.76

Finding the Fourth Proportional to 11,380.12, 15,704.26 and 6,599.76

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Solution

The fourth proportional to 11,380.12, 15,704.26 and 6,599.76 is: 9,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.12 : 15,704.26 = 6,599.76 : x
  2. Step 2: Convert to fraction form
    11,380.12/15,704.26 = 6,599.76/x
  3. Step 3: Cross multiply
    11,380.12x = 15,704.26 × 6,599.76
  4. Step 4: Simplify right side
    11,380.12x = 103,644,355.28
  5. Step 5: Solve for x
    x = 103,644,355.28/11,380.12
  6. Step 6: Final answer
    x = 9,107.50

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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.