Home / 12,733.50-17,572.23-7,144.62

Finding the Fourth Proportional to 12,733.50, 17,572.23 and 7,144.62

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Solution

The fourth proportional to 12,733.50, 17,572.23 and 7,144.62 is: 9,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.50 : 17,572.23 = 7,144.62 : x
  2. Step 2: Convert to fraction form
    12,733.50/17,572.23 = 7,144.62/x
  3. Step 3: Cross multiply
    12,733.50x = 17,572.23 × 7,144.62
  4. Step 4: Simplify right side
    12,733.50x = 125,546,905.90
  5. Step 5: Solve for x
    x = 125,546,905.90/12,733.50
  6. Step 6: Final answer
    x = 9,859.58

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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.