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Finding the Fourth Proportional to 7,159.73, 10,739.82 and 6,113.15

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Solution

The fourth proportional to 7,159.73, 10,739.82 and 6,113.15 is: 9,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.73 : 10,739.82 = 6,113.15 : x
  2. Step 2: Convert to fraction form
    7,159.73/10,739.82 = 6,113.15/x
  3. Step 3: Cross multiply
    7,159.73x = 10,739.82 × 6,113.15
  4. Step 4: Simplify right side
    7,159.73x = 65,654,148.96
  5. Step 5: Solve for x
    x = 65,654,148.96/7,159.73
  6. Step 6: Final answer
    x = 9,169.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.