Home / 12,644.26-17,455.63-9,237.44

Finding the Fourth Proportional to 12,644.26, 17,455.63 and 9,237.44

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Solution

The fourth proportional to 12,644.26, 17,455.63 and 9,237.44 is: 12,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.26 : 17,455.63 = 9,237.44 : x
  2. Step 2: Convert to fraction form
    12,644.26/17,455.63 = 9,237.44/x
  3. Step 3: Cross multiply
    12,644.26x = 17,455.63 × 9,237.44
  4. Step 4: Simplify right side
    12,644.26x = 161,245,334.79
  5. Step 5: Solve for x
    x = 161,245,334.79/12,644.26
  6. Step 6: Final answer
    x = 12,752.45

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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.