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Finding the Fourth Proportional to 8,993.18, 12,410.12 and 5,013.54

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Solution

The fourth proportional to 8,993.18, 12,410.12 and 5,013.54 is: 6,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.18 : 12,410.12 = 5,013.54 : x
  2. Step 2: Convert to fraction form
    8,993.18/12,410.12 = 5,013.54/x
  3. Step 3: Cross multiply
    8,993.18x = 12,410.12 × 5,013.54
  4. Step 4: Simplify right side
    8,993.18x = 62,218,633.02
  5. Step 5: Solve for x
    x = 62,218,633.02/8,993.18
  6. Step 6: Final answer
    x = 6,918.42

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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.