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Finding the Fourth Proportional to 8,983.11, 13,395.53 and 8,359.82

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Solution

The fourth proportional to 8,983.11, 13,395.53 and 8,359.82 is: 12,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.11 : 13,395.53 = 8,359.82 : x
  2. Step 2: Convert to fraction form
    8,983.11/13,395.53 = 8,359.82/x
  3. Step 3: Cross multiply
    8,983.11x = 13,395.53 × 8,359.82
  4. Step 4: Simplify right side
    8,983.11x = 111,984,110.83
  5. Step 5: Solve for x
    x = 111,984,110.83/8,983.11
  6. Step 6: Final answer
    x = 12,466.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.