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Finding the Fourth Proportional to 8,842.49, 12,127.87 and 7,846.03

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Solution

The fourth proportional to 8,842.49, 12,127.87 and 7,846.03 is: 10,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.49 : 12,127.87 = 7,846.03 : x
  2. Step 2: Convert to fraction form
    8,842.49/12,127.87 = 7,846.03/x
  3. Step 3: Cross multiply
    8,842.49x = 12,127.87 × 7,846.03
  4. Step 4: Simplify right side
    8,842.49x = 95,155,631.86
  5. Step 5: Solve for x
    x = 95,155,631.86/8,842.49
  6. Step 6: Final answer
    x = 10,761.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.