Home / 12,319.44-17,000.83-6,654.19

Finding the Fourth Proportional to 12,319.44, 17,000.83 and 6,654.19

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Solution

The fourth proportional to 12,319.44, 17,000.83 and 6,654.19 is: 9,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.44 : 17,000.83 = 6,654.19 : x
  2. Step 2: Convert to fraction form
    12,319.44/17,000.83 = 6,654.19/x
  3. Step 3: Cross multiply
    12,319.44x = 17,000.83 × 6,654.19
  4. Step 4: Simplify right side
    12,319.44x = 113,126,752.98
  5. Step 5: Solve for x
    x = 113,126,752.98/12,319.44
  6. Step 6: Final answer
    x = 9,182.78

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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.