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Finding the Fourth Proportional to 8,497.96, 11,685.59 and 7,376.93

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Solution

The fourth proportional to 8,497.96, 11,685.59 and 7,376.93 is: 10,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.96 : 11,685.59 = 7,376.93 : x
  2. Step 2: Convert to fraction form
    8,497.96/11,685.59 = 7,376.93/x
  3. Step 3: Cross multiply
    8,497.96x = 11,685.59 × 7,376.93
  4. Step 4: Simplify right side
    8,497.96x = 86,203,821.34
  5. Step 5: Solve for x
    x = 86,203,821.34/8,497.96
  6. Step 6: Final answer
    x = 10,144.06

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Double scale
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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.