Home / 12,098.74-18,150.24-5,525.58

Finding the Fourth Proportional to 12,098.74, 18,150.24 and 5,525.58

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Solution

The fourth proportional to 12,098.74, 18,150.24 and 5,525.58 is: 8,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.74 : 18,150.24 = 5,525.58 : x
  2. Step 2: Convert to fraction form
    12,098.74/18,150.24 = 5,525.58/x
  3. Step 3: Cross multiply
    12,098.74x = 18,150.24 × 5,525.58
  4. Step 4: Simplify right side
    12,098.74x = 100,290,603.14
  5. Step 5: Solve for x
    x = 100,290,603.14/12,098.74
  6. Step 6: Final answer
    x = 8,289.34

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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.