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Finding the Fourth Proportional to 8,709.36, 12,022.36 and 6,058.31

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Solution

The fourth proportional to 8,709.36, 12,022.36 and 6,058.31 is: 8,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.36 : 12,022.36 = 6,058.31 : x
  2. Step 2: Convert to fraction form
    8,709.36/12,022.36 = 6,058.31/x
  3. Step 3: Cross multiply
    8,709.36x = 12,022.36 × 6,058.31
  4. Step 4: Simplify right side
    8,709.36x = 72,835,183.81
  5. Step 5: Solve for x
    x = 72,835,183.81/8,709.36
  6. Step 6: Final answer
    x = 8,362.86

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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.