Home / 12,551.82-17,319.56-7,245.62

Finding the Fourth Proportional to 12,551.82, 17,319.56 and 7,245.62

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Solution

The fourth proportional to 12,551.82, 17,319.56 and 7,245.62 is: 9,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.82 : 17,319.56 = 7,245.62 : x
  2. Step 2: Convert to fraction form
    12,551.82/17,319.56 = 7,245.62/x
  3. Step 3: Cross multiply
    12,551.82x = 17,319.56 × 7,245.62
  4. Step 4: Simplify right side
    12,551.82x = 125,490,827.50
  5. Step 5: Solve for x
    x = 125,490,827.50/12,551.82
  6. Step 6: Final answer
    x = 9,997.82

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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.