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Finding the Fourth Proportional to 8,389.46, 12,584.58 and 5,935.26

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Solution

The fourth proportional to 8,389.46, 12,584.58 and 5,935.26 is: 8,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.46 : 12,584.58 = 5,935.26 : x
  2. Step 2: Convert to fraction form
    8,389.46/12,584.58 = 5,935.26/x
  3. Step 3: Cross multiply
    8,389.46x = 12,584.58 × 5,935.26
  4. Step 4: Simplify right side
    8,389.46x = 74,692,754.29
  5. Step 5: Solve for x
    x = 74,692,754.29/8,389.46
  6. Step 6: Final answer
    x = 8,903.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.