Home / 11,697.12-17,551.14-5,122.44

Finding the Fourth Proportional to 11,697.12, 17,551.14 and 5,122.44

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Solution

The fourth proportional to 11,697.12, 17,551.14 and 5,122.44 is: 7,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.12 : 17,551.14 = 5,122.44 : x
  2. Step 2: Convert to fraction form
    11,697.12/17,551.14 = 5,122.44/x
  3. Step 3: Cross multiply
    11,697.12x = 17,551.14 × 5,122.44
  4. Step 4: Simplify right side
    11,697.12x = 89,904,661.58
  5. Step 5: Solve for x
    x = 89,904,661.58/11,697.12
  6. Step 6: Final answer
    x = 7,686.05

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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.