Home / 12,650.24-17,455.37-6,984.09

Finding the Fourth Proportional to 12,650.24, 17,455.37 and 6,984.09

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Solution

The fourth proportional to 12,650.24, 17,455.37 and 6,984.09 is: 9,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.24 : 17,455.37 = 6,984.09 : x
  2. Step 2: Convert to fraction form
    12,650.24/17,455.37 = 6,984.09/x
  3. Step 3: Cross multiply
    12,650.24x = 17,455.37 × 6,984.09
  4. Step 4: Simplify right side
    12,650.24x = 121,909,840.14
  5. Step 5: Solve for x
    x = 121,909,840.14/12,650.24
  6. Step 6: Final answer
    x = 9,636.96

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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.